List of Microsoft codenames

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Template:Short description Template:Use mdy dates Microsoft codenames are given by Microsoft to products it has in development before these products are given the names by which they appear on store shelves. Many of these products (new versions of Windows in particular) are of major significance to the IT community, and so the terms are often widely used in discussions before the official release. Microsoft usually does not announce a final name until shortly before the product is publicly available. It is not uncommon for Microsoft to reuse codenames a few years after a previous usage has been abandoned.

There has been some suggestion that Microsoft may move towards defining the real name of their upcoming products earlier in the product development lifecycle to avoid needing product codenames.[1]

Operating systems

Windows 3.x and 9x

Codename Preliminary name Final name Notes Ref
Janus — Windows & MS-DOS 5 Combined bundle of Windows 3.1 and MS-DOS 5. Janus is a Roman god usually depicted with two faces, here symbolizing the previously separate Windows and MS-DOS products. [2]
Jastro — Windows & MS-DOS 6 Combined bundle of Windows 3.1 and MS-DOS 6. Portmanteau of Janus and Astro, the codename of MS-DOS 6. [3]
Sparta, Winball Windows 3.1 Plus Windows for Workgroups 3.1 Windows 3.1 (16-bit) with enhanced networking; designed to work particularly well as a client with the new Windows NT. [4][5]
Snowball — Windows for Workgroups 3.11 An updated version of Windows for Workgroups 3.1, which introduces 32-bit file access and network improvements. It also removes the Standard Mode, effectively dropping support for 16-bit x86 processors. [6]
Chicago Windows 4.0, Windows 93, Windows 94 Windows 95 For codenames of some of the internal components of Windows 95, see "Jaguar", "Cougar", "Panther" and "Stimpy" under Template:Section link [7][8]
Detroit Template:N/A USB Supplement to Windows 95 OSR2 Named after Detroit, Michigan. A writer for Maximum PC suggested that "Detroit" and other Windows 95-era names were answers to the question posed by Microsoft's "Where do you want to go today?" marketing campaign. [9]
Nashville Windows 96 Dropped Named after Nashville. Cancelled upgrade for Windows 95; sometimes referred to in the press as Windows 96. Codename was reused for Internet Explorer 4.0 and Windows Desktop Update which incorporated many of the technologies planned for Nashville. [10][11]
Memphis Windows 97 Windows 98 Template:N/A [12][13]
Millennium — Windows Me ME stands for Millennium Edition; Microsoft states that it is pronounced Me. [14]

Windows NT family

Codename Preliminary name Final name Notes Ref
Razzle NT OS/2, Advanced Windows Windows NT 3.1 Is also the name of a script that sets up the Windows NT development environment. NT OS/2 reflected the first purpose of Windows NT to serve as the next version of OS/2, before Microsoft and IBM split up. Microsoft used the NT OS/2 code to release Windows NT 3.1. [15][16][17][18]
Daytona Template:N/A Windows NT 3.5 Named after the Daytona International Speedway in Daytona Beach, Florida. [19]
Cairo Template:N/A Dropped A cancelled project that would have fulfilled Bill Gates' "Information at your fingertips" vision [20]
Shell Update Release Template:N/A Windows NT 4.0 Template:N/A
Wolfpack Template:N/A Microsoft Cluster Server Template:N/A [21]
Janus Template:N/A Dropped Codename for the proposed 64-bit edition of Windows 2000, which was never released. [22][23]
Impala Template:N/A Windows NT 4.0 Embedded Template:N/A [24]
Neptune Template:N/A Dropped Planned to be the first consumer-oriented release of Windows NT succeeding the Windows 9x series; merged with Odyssey to form Whistler. [25]
Triton Template:N/A Dropped A cancelled successor to "Neptune". [26]
Asteroid Template:N/A Windows 2000 Service Pack 1 Template:N/A [27]
Odyssey Template:N/A Dropped Planned to be a successor to Windows 2000; merged with Neptune to form Whistler.
Whistler Windows 2002 Windows XP Named after Whistler Blackcomb, where design retreats were held.
Mantis Template:N/A Windows XP Embedded Named after the Mantis shrimp. [24]
Freestyle Template:N/A Windows XP Media Center Edition Template:N/A [28][29]
Harmony Template:N/A Windows XP Media Center Edition 2004 Template:N/A [30]
Symphony Template:N/A Windows XP Media Center Edition 2005 Template:N/A [31]
Slalom Template:N/A Dropped Longhorn Media Center Edition. Scrapped in favor of including Windows Media Center in Home Premium and Ultimate editions instead of a dedicated Media Center edition.
Emerald Template:N/A Windows XP Media Center Edition 2005 Update Rollup 2 Template:N/A [32]
Diamond Template:N/A Windows Media Center Included with Windows Vista. [32]
Springboard Template:N/A Template:N/A Set of enhanced security features, included in Windows XP Service Pack 2. [33]
Lonestar Template:N/A Windows XP Tablet PC Edition 2005 Template:N/A [34]
Whistler Server Windows 2002 Server,
Windows .NET Server,
Windows .NET Server 2003 		Windows Server 2003 Template:N/A [35][36]
Bobcat Template:N/A Windows Small Business Server 2003 Not to be confused with Microsoft Bob. [37]
Eiger, Mönch Template:N/A Windows Fundamentals for Legacy PCs Mönch included additional features for use on mobile devices. [38][39]
Longhorn Template:N/A Windows Vista Named after the Longhorn Bar in the Whistler Blackcomb ski resort; initially planned as a "minor release" between "Whistler" and "Blackcomb" (see below) [40][41][42]
Blackcomb, Vienna — Dropped The purported successor to Whistler, and later, Longhorn. Named after Whistler Blackcomb, where design retreats were held. Blackcomb was later renamed to Vienna in January 2006, named after the capital of Austria. Eventually cancelled due to scope creep and replaced with Windows 7. [43][44]
Q, Quattro Template:N/A Windows Home Server Template:N/A [45][46]
Vail Template:N/A Windows Home Server 2011 Template:N/A [47]
Longhorn Server Template:N/A Windows Server 2008 Template:N/A [48]
Cougar Template:N/A Windows Small Business Server 2008 Template:N/A [49]
Centro Template:N/A Windows Essential Business Server Named after the Spanish translation of the word "center". [49]
Windows 7 Template:N/A Windows 7 The number 7 comes from incrementing the internal version number of Windows Vista (6.0) by one. Often incorrectly referred to as Blackcomb or Vienna, while the codenames actually refer to an earlier Vista successor project that was cancelled due to scope creep. [43][50][51]
Windows Server 7 Template:N/A Windows Server 2008 R2 Template:N/A
Fiji Windows Vista Media Center Feature Pack 2008 Windows Media Center TV Pack 2008 Named after the country of Fiji. [52]
Cascades Windows Essential Business Server "v2" Windows Essential Business Server 2008 R2 (cancelled) Originally intended as the successor of Windows Essential Business Server 2008 but was cancelled "due to external factors". [53]
Aurora Template:N/A Windows Small Business Server 2011 Essentials Template:N/A [54]
Quebec Template:N/A Windows Embedded Standard 7 Named after the province of Quebec [55]
Windows 8 Template:N/A Windows 8 Often incorrectly referred to as Jupiter, Midori and Chidori. Jupiter is the application framework used to create "immersive" apps for Windows 8, and Midori was a separate, managed code operating system. (see below) [56][57][58]
Windows Server "8" Template:N/A Windows Server 2012 Template:N/A [59]
Blue Template:N/A Windows 8.1 Template:N/A [60]
Windows Server Blue Template:N/A Windows Server 2012 R2 Template:N/A
Threshold Windows 8.2Script error: No such module "Unsubst"., Windows 9Script error: No such module "Unsubst". Windows 10
Windows 10 November Update 		Named after a location seen in Halo: Combat Evolved, near which Installation 04 orbits. [61]
Redstone Template:N/A Windows Server 2016
Windows 10 Creators Update
Windows 10 Fall Creators Update
Windows 10 April 2018 Update
Windows Server 2019 		Named after a fictional mineral from Minecraft. [62][63]
Santorini Windows 10X Dropped Named after an island in Greece. Originally supposed to be a new OS to be released mid-late 2021, was eventually cancelled. Some of its features were integrated into Windows 11 and other products. [64]
Sun Valley — Windows 11 Named after Sun Valley, Idaho. [65][66][67][68]
Hudson Valley Template:N/A Un­known A possibly-planned version of Windows scheduled to be released in 2025. Named after Hudson Valley, New York [69][70][71]

Windows platform engineering milestones

The following are code names used for internal development cycle iterations of the Windows core, although they are not necessarily the code names of any of the resulting releases. With some exceptions, the semester designations usually matches the Windows version number.

Codename Semester Release Notes Ref
Titanium 19H1 Windows 10 May 2019 Update Named after the chemical element in the periodic table. [72][73]
Vanadium 19H2 Windows 10 November 2019 Update Named after the chemical element in the periodic table. [72][74][75]
Vibranium 20H1 Windows 10 May 2020 Update
Windows 10 October 2020 Update
Windows 10 May 2021 Update
Windows 10 November 2021 Update
Windows 10 2022 Update 		Named after the fictional metal Vibranium in Marvel Comics as continuing the previous line of chemical elements with Chromium could have caused confusion with the web browser project. [72][74][76]
Manganese 20H2 Template:N/ATemplate:Efn Named after the chemical element in the periodic table. [77]
Iron 21H1 Windows Server 2022Template:Efn Named after the chemical element in the periodic table. [78]
Cobalt 21H2 Windows 11 Named after the chemical element in the periodic table.
Nickel 22H2 Windows 11 2022 Update Named after the chemical element in the periodic table. Originally planned to be the 22H1 semester, although that semester was ultimately skipped and Nickel shifted to 22H2, expanded to span the entire year. [79]
Copper 23H1 Template:N/ATemplate:Efn Named after the chemical element in the periodic table. [80]
ZincScript error: No such module "Unsubst". 23H2 Windows Server, version 23H2 Named after the chemical element in the periodic table.
Gallium Script error: No such module "Unsubst". 24H1 Template:N/ATemplate:Efn Named after the chemical element in the periodic table.
Germanium Script error: No such module "Unsubst". 24H2 Windows 11 2024 Update
Windows Server 2025 		Named after the chemical element in the periodic table.
Dilithium Script error: No such module "Unsubst". 25H1 Template:N/ATemplate:Efn Named after the fictional material from Star Trek.
Selenium Script error: No such module "Unsubst". 25H2 Template:N/ATemplate:Efn Named after the chemical element in the periodic table.

Template:Notelist

Windows CE family

Codename Preliminary name Final name Ref
Pegasus, Alder Template:N/A Windows CE 1.0 [81]
Birch Template:N/A Windows CE 2.0 [81]
Cedar Template:N/A Windows CE 3.0 [81]
Talisker Windows CE .NET Windows CE 4.0 [81]
Jameson Template:N/A Windows CE 4.1 [82]
McKendric Template:N/A Windows CE 4.2 [82]
Macallan Template:N/A Windows CE 5.0 [81]
Yamazaki Windows CE 6.0 Windows Embedded CE 6.0 [81][82]
Chelan Windows Embedded CE 7 Windows Embedded Compact 7 [83]

Windows Mobile

Codename Preliminary name Final name Ref
Rapier Template:N/A Pocket PC 2000 [84]
Merlin Template:N/A Pocket PC 2002 [84]
Ozone Template:N/A Windows Mobile 2003 [84]
Magneto Template:N/A Windows Mobile 5 [84]
Crossbow Template:N/A Windows Mobile 6 [84]
6 on 6 Template:N/A Windows Mobile 6.1.4 [84]
Titanium Template:N/A Windows Mobile 6.5 [84]
Maldives Windows Mobile 7 Windows Phone 7 [84]

Windows Phone

Codename Preliminary name Final name Ref
Photon Windows Mobile 7 Series Windows Phone 7 [85][86]
Mango Template:N/A Windows Phone 7.5 [87][88]
Apollo Template:N/A Windows Phone 8 [88]
Blue Template:N/A Windows Phone 8.1 [61]
Threshold Template:N/A Windows 10 Mobile [61]

Others

Codename Preliminary name Final name Notes Ref
Singularity Template:N/A Template:N/A Experimental operating system based on the Microsoft .NET platform, using software-based type safety as a replacement for hardware-based memory protection. Evolved into Midori. [89]
Midori Template:N/A Template:N/A A managed code operating system being developed by Microsoft with joint effort of Microsoft Research. [90][91]
Red Dog Windows Cloud Azure Microsoft cloud services platform [92]
Tahiti Template:N/A Template:N/A Supposedly a family of multi-core technologies including an operating system, applications and development tools designed to make better use of today's multi-core CPUs. Midori may be a part of this suite of new Microsoft technologies. [93]
Tokyo Azure AD Cloud App Discovery Cloud App Discovery Azure-based data-directory service designed to help connect the right people to the right data. [94]
Zurich Template:N/A .NET Services Part of Microsoft Azure, Microsoft's cloud computing platform, that focuses on extended software development based on .NET Framework to the cloud. [92][95][96]

OS components

Codename Preliminary name Final name Notes Ref
Anaheim — Microsoft Edge A rewrite of Microsoft's web browser, based on the Chromium project. [97]
Barcelona Template:N/A Windows Defender Application Guard A security feature for running the Microsoft Edge web browser inside a virtual machine, thus isolating it from the rest of the system in the event that it was hacked. [98]
Beihai Paint 3D 3D version of Microsoft Paint [99]
Code Integrity Rooting Secure Startup BitLocker A security feature that checks and validates the integrity of Windows boot and system components. [100][101]
Continuum Tablet Mode Continuum A Windows 10 feature that enables hybrid devices to switch between tablet mode and desktop mode. An immediately manifest effect is the Start screen getting maximized in tablet mode. [102]
Cornerstone Secure Startup BitLocker Full disk encryption feature introduced in Windows Vista and present in subsequent versions that utilizes the Trusted Platform Module to perform integrity checking prior to operating system startup. [100][103]
Assistant Template:N/A Cortana An intelligent personal assistant included with Windows 10, named after an artificial intelligence character in Halo [104]
Cougar Template:N/A VMM32 32-bit kernel [7][105][106]
Darwin Microsoft Installer Windows Installer A Windows service and application programming interface for installing software on computers running Microsoft Windows operating systems [107]
Frosting Template:N/A Microsoft Plus! for Windows 95 [108]
Hydra Template:N/A Terminal Services, Windows Terminal Server Terminal Server adds "multiheading" support to Windows (the ability to run multiple instances of the graphics subsystem), and the hydra is a mythological monster with multiple heads. [109]
Jaguar Template:N/A Template:N/A 16-bit DOS kernel for Windows 95 based on MS-DOS 5.0, used by Windows 95 boot loader and compatibility layer. [7][105][106]
Jupiter Template:N/A WinRT XAML A new application framework on Windows 8 used to create cross-platform "immersive" apps. [110]
Monad MSH, Microsoft Shell Windows PowerShell "Monads", according to philosopher Gottfried Leibniz's monadology, are the ultimate elements of the universe, individual percipient beings, and MSH is similarly composed of small, individual modules the user puts in interrelation. [111]
Morro Template:N/A Microsoft Security Essentials MSE was codenamed after the Morro de São Paulo beach in Brazil. [112][113]
Neon Template:N/A Fluent Design Microsoft Fluent Design System is a revamp of the Windows UI based around five key components: Light, Depth, Motion, Material, and Scale. [114]
O'Hare Template:N/A Internet Explorer 1 Internet Explorer 1, first shipped in Microsoft Plus! for Windows 95: The codename O'Hare ties into the Chicago codename for Windows 95: O'Hare International Airport is the largest airport in the city of Chicago, Illinois — in Microsoft's words, "a point of departure to distant places from Chicago". [115]
Panther Template:N/A Template:N/A Cancelled. Panther was a 32-bit kernel based on Windows NT kernel. [105][106]
Pinball Template:N/A High Performance File System (HPFS) "Pinball" is the nickname (as opposed to a codename) for HPFS because HPFS driver in Windows NT 3.5 is called PINBALL.SYS. [116][117][118]
Piton Template:N/A ReadyDrive Feature introduced in Windows Vista to support hybrid drives [119][120]
Protogon Template:N/A ReFS The successor of NTFS [121]
Rincon Template:N/A Internet Explorer 7 Rincon is a surfing beach in Puerto Rico [122]
Spartan Template:N/A Microsoft Edge [Legacy] Web browser first introduced in Windows 10, which uses EdgeHTML rendering engine. Refers to Spartans in Halo. [123]
Stimpy Template:N/A Windows Shell Applies to Windows 95 only. [105][106]
Viridian Template:N/A Hyper-V Virtualization update for Windows Server 2008 [124]
WinFS Template:N/A — A cancelled data storage and management system project based on relational databases, first demonstrated in 2003 as an advanced storage subsystem for the Microsoft Windows, designed for persistence and management of structured, semi-structured as well as unstructured data. [125][126]
Cascadia Template:N/A Windows Terminal A terminal emulator for Windows 10. [127]

Microsoft Servers

SQL Server family

Template:More citations needed section

Codename Final name Notes Ref
SQLNT SQL Server 4.21 Script error: No such module "Unsubst".
SQL95 SQL Server 6.0 Script error: No such module "Unsubst".
Hydra SQL Server 6.5 Script error: No such module "Unsubst".
Sphinx SQL Server 7.0 [128]
Plato OLAP Services 7.0 "OLAP Services" was later renamed Microsoft Analysis Services [129]
Shiloh SQL Server 2000 Version 8 Script error: No such module "Unsubst".
Rosetta Reporting Services in SQL Server 2000 Script error: No such module "Unsubst".
Yukon SQL Server 2005 Version 9 [130]

[131]

Picasso Analysis Services in SQL Server 2005 Script error: No such module "Unsubst".
Katmai SQL Server 2008 Version 10 [132]

[133]

Kilimanjaro SQL Server 2008 R2 Version 10.5 [134]
Blue SQL Server 2008 Report Designer 2.0 This is the standalone release of the tool for Reporting Services. It must not be confused with Report Builder 2.0. [135]

[136] [137]

Denali SQL Server 2012 Version 11 [138]

[139] [140]

Juneau SQL Server Data Tools Was included in SQL Server 2012, later released as a standalone downloadable application [141]
Crescent Power View A data visualisation tool that originally shipped as part of SQL Server 2012, later an add-in for Microsoft Excel [142]
SQL14 SQL Server 2014 Version 12 [143]
Hekaton SQL Server In-Memory OLTP In-memory database engine built into SQL Server 2014 [144]
SQL16 SQL Server 2016 Version 13 [145]
Helsinki SQL Server 2017 Version 14 [146]

[147]

Seattle SQL Server 2019 Version 15 [148]
Aris SQL Server Big Data Clusters Announced at Microsoft Ignite 2018 event on September 24–28. Retirement announced for Feb-28 2025 [149]
Dallas SQL Server 2022 Version 16. Public preview available for download. Announced at Microsoft Build 2022 event on May 24 [150]

Others

Codename Final name Ref
Hermes Microsoft System Management Server 1.0 [151]
Catapult Microsoft Proxy Server 1.0 [152]
Geneva Active Directory Federation Services [153]
Falcon Microsoft Message Queue Server [154]
Viper Microsoft Transaction Server [155]
Normandy Microsoft's Commercial Internet System (CIS) [156]
Stirling Microsoft Forefront Protection Suite [157]

Developers tools

Visual Studio family

Codename Preliminary name Final name Notes Ref
Thunder Visual Basic 1.0 The first version of Visual Basic. The standard dialogs and controls created by the Visual Basic runtime library all have "Thunder" as a prefix of their internal type names (for example, buttons are internally known as ThunderCommandButton). [158]
Escher Microsoft Visual Basic for MS-DOS Script error: No such module "Unsubst".
Dolphin Microsoft Visual C++ 2.0 Script error: No such module "Unsubst".
Zamboni Microsoft Visual C++ 4.1 After Zamboni, an ice resurfacing machine. [158]
Boston Microsoft Visual Studio 97 Named for Boston, Massachusetts [159]
Cuervo Microsoft Visual Basic 5.0 Control Creation Edition [160]
Aspen Microsoft Visual Studio 6.0 Named after the popular ski destination Aspen, Colorado [161]
Cassini Web Server ASP.NET Development Server The lightweight local Web server that is launched in Visual Studio in order to test Web projects [162]
Hatteras Visual Studio Team System's Source Control System Template:N/A Named after the Cape Hatteras Lighthouse in the Outer Banks region of North Carolina [163]
Ocracoke Visual Studio Team System load testing suite Template:N/A Named after the Ocracoke Island Lighthouse on Ocracoke Island, also in North Carolina [163]
Currituck Team Foundation Work Item Tracking Template:N/A Named after the Currituck Beach Lighthouse in Corolla, North Carolina [163]
Bodie Team Foundation Server SDK Template:N/A Named after the Bodie Island Lighthouse in North Carolina [163]
Tuscany Online version of Visual Studio. Currently a research project [164]
Phoenix Template:N/A A Microsoft research software development kit [165]
Eaglestone Visual Studio Team Explorer Everywhere This is the name given to the Teamprise suite Microsoft acquired. The product is now named Visual Studio Team Explorer Everywhere [166][167]
KittyHawk Visual Studio LightSwitch RAD tool aimed at non-programmers [168][169]
Rainier Visual Studio .NET (2002) Named for Mount Rainier, a volcanic mountain peak visible from the Seattle area (where Microsoft is based) [170]
Everett Visual Studio .NET 2003 Named after the town Everett, Washington, in Washington state [170][171][172]
Whidbey[172] Visual Studio 2005 Named after Whidbey Island in the Puget Sound[170][171]
Orcas Visual Studio 2008 Named after Orcas Island in the Puget Sound [170][171][172]
Camano Microsoft Test and Lab Manager Microsoft Test Manager, a part of Visual Studio 2010 Test Professional, Premium and Ultimate editions Named after Camano Island in the Puget Sound [173][174][175]
Rosario Visual Studio Ultimate 2010 (formerly Team System or Team Suite) [176]
Cider Template:N/A Visual Studio designer for building Windows Presentation Foundation applications, meant to be used by application developers [177]
Monaco Monaco Editor In-browser IDE for Visual Studio. Monaco powers Visual Studio Code. [178][179]

.NET Framework family

Codename Final name Notes Ref
Astoria WCF Data Services Enables the creation and consumption of OData services for the web [180]
Atlas ASP.NET AJAX An implementation for ASP.NET of Ajax native to .NET Framework 2.0 [181]
Avalon Windows Presentation Foundation Graphical subsystem released as part of .NET Framework 3.0 [182]
Fusion Template:N/A .NET Framework subsystem for locating and loading assemblies, including GAC management [183][184]
Hailstorm .NET My Services [185]
Indigo Windows Communication Foundation An application programming interface (API) in .NET Framework for building connected, service-oriented applications [186]
Jolt Silverlight 1.0 [187]
Lightning, Project 42 .NET Framework 1.0 Project Lightning was the original codename for the Common Language Runtime in 1997. The team was based in building 42, hence Project 42. [188][189]
Project 7 Template:N/A Early program to recruit implementors of both commercial and academic languages to target the Common Language Runtime. 7 was a prime factor of 42, metaphorizing the relationship between Project 7 and Project 42 (see above). [190]
Roslyn .NET Compiler Platform Open-source project that exposes programmatic access to compilers via corresponding APIs [191][192][193][194]

Languages

Template:More citations needed section

Codename Final name Notes Ref
Clarity Language Integrated Query (LINQ) LINQ Language extensions to expose query syntax natively to languages such as Visual Basic .NET and C# Script error: No such module "Unsubst".
D M Modelling language Script error: No such module "Unsubst".
Jakarta Visual J++ Named after the capital of Indonesia, Jakarta
Metro Microsoft Design language A typography-based design language [195]

Others

Codename Final name Notes Ref
Godot Microsoft Layer for Unicode Named after the play Waiting for Godot (centered around the endless wait for a man named "Godot" who never comes), because it was felt to be long overdue. [196]
Volta Template:N/A A developer toolset for building multi-tier web applications [197]
Project Centennial Desktop App Converter Allows developers to re-package existing desktop apps into the APPX format of Universal Windows Platform and sell them in Windows Store. [198][199]

Gaming hardware

Codename Final name Notes Ref
DirectX Box Xbox [200]
Natal Kinect Motion sensitive control system. [201][202]
Xenon Xbox 360 Successor to the original Xbox. [203]
Durango Xbox One Successor to Xbox 360. [204]
Edmonton Xbox One S Xbox One with 4K and HEVC Support. [205]
Scorpio Xbox One X Upgrade to Xbox One, announced at Electronic Entertainment Expo 2016. Has 6 TFLOPS GPU and 8-core CPU. [206]
Scarlett Xbox Series X|S Project name for a family of next-gen consoles. Xbox Anaconda and Xbox Lockhart are both part of Project Scarlet. Announced by Microsoft at E3 2018. [207]
Anaconda Xbox Series X Successor to Xbox One. Higher end model. Announced by Microsoft at The Game Awards 2019. Later called "Starkville"[208] [209]Xbox Series X|S
Lockhart Xbox Series S Potential lower end model for a cheaper price. Was announced by Microsoft in September 2020. Would be successor to Xbox One S. Later called "Edith".[208] [209]
Ellewood Xbox Series S - 1TB Digital Edition Codename for the Xbox Series S - 1TB Digital Edition console. [208]
Brooklin Xbox Series X - 2TB Galaxy Black Special Edition Codename for the Xbox Series X - 2TB Galaxy Black Special Edition console. [208]
Edinburgh Originally spotted by software developer bllyhlbrt on Twitter, a new codename, Xbox Edinburgh, can be seen within the Xbox One's operating system, underneath Lockhart and Anaconda. [210]
Count One of the codenames originally spotted by software developer bllyhlbrt on Twitter. [210]

Office software

Template:More citations needed section

Codename Preliminary name Final name Notes Ref
Albany Microsoft Equipt Microsoft's all-in-one, subscription-based service for office, communication, and security software [211]
Bandit Schedule+ 1.0 Microsoft's first Personal Information Manager Script error: No such module "Unsubst".
Barney Money 1.0 Microsoft's personal finance software (Flintstones theme) Script error: No such module "Unsubst".
Betty Money 2.0 Script error: No such module "Unsubst".
Budapest Microsoft Office Communicator Web Access 2005 Script error: No such module "Unsubst".
Bullet Microsoft Mail 3.0 Microsoft's first LAN-based email product written in-house Script error: No such module "Unsubst".
Cirrus Microsoft Access 1.0 Script error: No such module "Unsubst".
CRM V1.0, Tsunami Microsoft CRM 1.0 The platform was initially codenamed Tsunami, but once the decision was made to make it an actual product it was just changed to the initials as the initials were enough of a codename. [212]
Danube Phase I Microsoft CRM 1.2 [212]
Danube Phase II Microsoft CRM 3 [212]
Dino Microsoft Money 3.0 Script error: No such module "Unsubst".
Kilimanjaro Titan Microsoft CRM 4 Was originally Kilimanjaro but changed to Titan, as Kilimanjaro was too difficult to spell [212]
Deco Microsoft PhotoDraw Script error: No such module "Unsubst".
Greenwich Real-Time Communications Server 2003 Microsoft Office Live Communications Server 2003 Script error: No such module "Unsubst".
Istanbul Microsoft Office Communicator 2005 Script error: No such module "Unsubst".
Maestro Microsoft Office Business Scorecard Manager 2005 Script error: No such module "Unsubst".
Opus Word for Windows v1.0 for Windows 2.x Script error: No such module "Unsubst".
Oslo Microsoft BizTalk Server SOA, SQL Server Modeling CTP Template:N/A Set of Service-oriented architecture (SOA) technologies [213][214][215]
Ren, Stimpy Wren Microsoft Outlook "Stimpy" was merged into "Ren", which later became "Wren". "Ren" and "Stimpy" are references to Ren and Stimpy, characters of an American animated television series. "Wren", a homophone of "Ren", is a reference to Christopher Wren, the architect of St Paul's Cathedral. [216]
Rigel Skype Room Systems A meeting room system designed to interface with Skype [217]
Tahiti Microsoft SharedView Template:N/A A screen sharing tool which allows users to take over sessions and interact with remote desktops. No audio or conference facilities. [218][219]
Tahoe SharePoint Portal Server 2001
Utopia Microsoft Bob Intended to be a user-friendly GUI [220]

Other codenames

Template:More citations needed section

Codename Preliminary name Final name Notes Ref
Acropolis Template:N/A Application framework for Smart Clients Script error: No such module "Unsubst".
Aero Diamond Template:N/A Used during the development of Windows Vista to describe a set of advanced user interface effects for the Desktop Window Manager to be introduced after Vista's release [221]
Alexandria Zune Marketplace An online music store Script error: No such module "Unsubst".
Argo Zune A digital media player Script error: No such module "Unsubst".
Atlanta Template:N/A A cloud service that monitors Microsoft SQL Server deployments [222]
Baraboo Microsoft HoloLens [223]
Blackbird Template:N/A An online content-authoring platform centered around the concept of distributed Object Linking and Embedding (OLE) and meant to be an alternative to HTML. The developer tools were originally released in beta and some titles were made available on MSDN before it was scrapped in favor of web development around ASP and ActiveX and the designer was refashioned into Visual InterDev. Script error: No such module "Unsubst".
Concur Template:N/A Aims to: define higher-level abstractions (above "threads and locks"); for today's imperative languages; that evenly support the range of concurrency granularities; to let developers write correct and efficient concurrent applications; with much latent parallelism; that can be efficiently mapped to the user's. Script error: No such module "Unsubst".
Dallas Template:N/A Aims to help discover, purchase and manage, premium data subscriptions in the Windows Azure platform [224]
Dorado Zune PC Client Script error: No such module "Unsubst".
Eldorado MVP Reconnect Program to recognize alumni of Microsoft's Most Valuable Professional award program when they left the program in good standing or were not re-awarded. [225]
HailStorm .NET My Services Collection of web services centered around the storage and retrieval of information. Cancelled before it could fully materialize. [226][227]
Honolulu Windows Admin Center Script error: No such module "Unsubst".
Ibiza Azure Portal Website for managing cloud resources [228]
Kratos PowerApps Software for building and sharing native, mobile, and Web apps [229]
Kumo Bing Microsoft's set of features improving Live Search search engine Script error: No such module "Unsubst".
Marvel The Microsoft Network The classic version of MSN, originally as a proprietary, "walled garden" online service Script error: No such module "Unsubst".
Media2Go Windows Mobile software for Portable Media Centers Platform built on Windows Mobile found on portable media players [230][231]
Metro XML Paper Specification (XPS) Named after Metro by T-Mobile, a wireless prepaid service in the United States.Script error: No such module "Unsubst". Script error: No such module "Unsubst".
Milan Surface Microsoft PixelSense Table-top style computer with multi-touch touchscreen interface Script error: No such module "Unsubst".
Mira Template:N/A Windows CE .NET-based technology for smart displays [232][233]
Monaco Template:N/A Music-making program similar to Apple GarageBand application [234]
Origami Ultra-Mobile PC Script error: No such module "Unsubst".
Palladium Trusted Windows Template:N/A Effort to develop a small, very secure operating environment within Windows, including curtained memory, trusted input, and graphics. Project renamed to Next-Generation Secure Computing Base, and was never fully implemented. [235][236]
Softsled Template:N/A Software based Windows Media Center ExtenderTemplate:Clarify Script error: No such module "Unsubst".
Springfield Microsoft Popfly Template:N/A Website in Alpha testing stage providing mashup and webpages creation tools, with publishing as Rich Internet Application option [237]
Sydney Bing Chat Copilot [238]
Wolverine TCP/IP stack for Windows for Workgroups 3.11 Named after the Wolverine, a character from Marvel Comics. [239]

References

Template:Reflist

External links

  1. ↑ Script error: No such module "citation/CS1".
  2. ↑ Comes v Microsoft. Transcript of Proceedings, Volume XXXIV Template:Webarchive
  3. ↑ Comes v Microsoft. Deposition of Andrew Schulman, Volume 2
  4. ↑ Template:Cite magazine
  5. ↑ Script error: No such module "Citation/CS1".
  6. ↑ Script error: No such module "Citation/CS1".
  7. ↑ Script error: No such module "citation/CS1".
  8. ↑ Script error: No such module "citation/CS1".
  9. ↑ Comes v. Microsoft. Plaintiff's Exhibit 3208 Template:Webarchive: "Desktop Operating Systems Mission Memo". Microsoft Confidential.
  10. ↑ Comes v. Microsoft. Plaintiff's Exhibit 5735 Template:Webarchive. Microsoft Confidential (October 25, 1995).
  11. ↑ Script error: No such module "citation/CS1".
  12. ↑ United States v. Microsoft Corporation. Government Exhibit 202 Template:Webarchive: "C. Wildfeuer message re 'Memphis IE 4 focus groups report'"
  13. ↑ Script error: No such module "citation/CS1".
  14. ↑ Script error: No such module "citation/CS1".
  15. ↑ Script error: No such module "citation/CS1".
  16. ↑ Template:Cite magazine
  17. ↑ Template:Cite magazine
  18. ↑ Script error: No such module "citation/CS1".
  19. ↑ Script error: No such module "citation/CS1".
  20. ↑ Script error: No such module "citation/CS1".
  21. ↑ Template:Cite magazine
  22. ↑ Script error: No such module "citation/CS1".
  23. ↑ a b Script error: No such module "citation/CS1".
  24. ↑ Script error: No such module "citation/CS1".
  25. ↑ Script error: No such module "citation/CS1".
  26. ↑ Script error: No such module "citation/CS1".
  27. ↑ Template:Cite magazine
  28. ↑ Script error: No such module "citation/CS1".
  29. ↑ Template:Cite magazine
  30. ↑ Template:Cite magazine
  31. ↑ a b Script error: No such module "citation/CS1".
  32. ↑ Template:Cite magazine
  33. ↑ Script error: No such module "citation/CS1".
  34. ↑ Template:Cite magazine
  35. ↑ Script error: No such module "citation/CS1".
  36. ↑ Script error: No such module "citation/CS1".
  37. ↑ Script error: No such module "citation/CS1".
  38. ↑ Script error: No such module "citation/CS1".
  39. ↑ Script error: No such module "citation/CS1".
  40. ↑ Script error: No such module "citation/CS1".
  41. ↑ Script error: No such module "citation/CS1".
  42. ↑ a b Script error: No such module "citation/CS1".
  43. ↑ Script error: No such module "citation/CS1".
  44. ↑ Template:Cite magazine
  45. ↑ Template:Cite magazine
  46. ↑ Template:Cite magazine
  47. ↑ Script error: No such module "citation/CS1".
  48. ↑ a b Template:Cite magazine
  49. ↑ Script error: No such module "citation/CS1".
  50. ↑ Script error: No such module "citation/CS1".
  51. ↑ Script error: No such module "citation/CS1".
  52. ↑ Script error: No such module "citation/CS1".
  53. ↑ Script error: No such module "citation/CS1".
  54. ↑ Script error: No such module "citation/CS1".
  55. ↑ Script error: No such module "citation/CS1".
  56. ↑ Script error: No such module "citation/CS1".
  57. ↑ Script error: No such module "citation/CS1".
  58. ↑ Script error: No such module "citation/CS1".
  59. ↑ Script error: No such module "citation/CS1".
  60. ↑ a b c Script error: No such module "citation/CS1".
  61. ↑ Script error: No such module "citation/CS1".
  62. ↑ Script error: No such module "citation/CS1".
  63. ↑ Script error: No such module "citation/CS1".
  64. ↑ Script error: No such module "citation/CS1".
  65. ↑ Script error: No such module "citation/CS1".
  66. ↑ Script error: No such module "citation/CS1".
  67. ↑ Script error: No such module "citation/CS1".Template:Cbignore
  68. ↑ Script error: No such module "citation/CS1".
  69. ↑ Script error: No such module "citation/CS1".
  70. ↑ Script error: No such module "citation/CS1".
  71. ↑ a b c Script error: No such module "citation/CS1".
  72. ↑ Script error: No such module "citation/CS1".
  73. ↑ a b Script error: No such module "citation/CS1".
  74. ↑ Script error: No such module "citation/CS1".
  75. ↑ Script error: No such module "citation/CS1".
  76. ↑ Script error: No such module "citation/CS1".
  77. ↑ Script error: No such module "citation/CS1".
  78. ↑ Script error: No such module "citation/CS1".
  79. ↑ Script error: No such module "citation/CS1".
  80. ↑ a b c d e f Script error: No such module "citation/CS1".
  81. ↑ a b c Script error: No such module "citation/CS1".
  82. ↑ Script error: No such module "citation/CS1".
  83. ↑ a b c d e f g h Script error: No such module "citation/CS1".
  84. ↑ Script error: No such module "citation/CS1".
  85. ↑ Script error: No such module "citation/CS1".
  86. ↑ Script error: No such module "citation/CS1".
  87. ↑ a b Cite error: Invalid <ref> tag; no text was provided for refs named Codename tracker
  88. ↑ Script error: No such module "citation/CS1".
  89. ↑ Script error: No such module "citation/CS1".
  90. ↑ Script error: No such module "citation/CS1".
  91. ↑ a b Script error: No such module "citation/CS1".
  92. ↑ Script error: No such module "citation/CS1".
  93. ↑ Script error: No such module "citation/CS1".
  94. ↑ Script error: No such module "citation/CS1".
  95. ↑ Script error: No such module "citation/CS1".
  96. ↑ Script error: No such module "citation/CS1".
  97. ↑ Script error: No such module "citation/CS1".
  98. ↑ Script error: No such module "citation/CS1".
  99. ↑ a b Script error: No such module "citation/CS1".
  100. ↑ Script error: No such module "citation/CS1".
  101. ↑ Script error: No such module "citation/CS1".
  102. ↑ Script error: No such module "citation/CS1".
  103. ↑ Script error: No such module "citation/CS1".
  104. ↑ a b c d Script error: No such module "citation/CS1".
  105. ↑ a b c d Script error: No such module "citation/CS1".
  106. ↑ Script error: No such module "citation/CS1".
  107. ↑ Script error: No such module "citation/CS1".
  108. ↑ Script error: No such module "citation/CS1".
  109. ↑ Script error: No such module "citation/CS1".
  110. ↑ Script error: No such module "citation/CS1".
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  112. ↑ Schofield, Jack. "Waiting for Morro: Microsoft's free anti-virus software" Template:Webarchive, guardian.co.uk, June 11, 2009, accessed July 6, 2009.
  113. ↑ Microsoft "Fluent Design System" Template:Webarchive, Microsoft, May 11, 2017, accessed May 12, 2017.
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  115. ↑ Script error: No such module "citation/CS1".
  116. ↑ Script error: No such module "citation/CS1".
  117. ↑ Script error: No such module "citation/CS1".
  118. ↑ Script error: No such module "citation/CS1".
  119. ↑ Script error: No such module "citation/CS1".
  120. ↑ Script error: No such module "citation/CS1".
  121. ↑ Script error: No such module "citation/CS1".
  122. ↑ Script error: No such module "citation/CS1".
  123. ↑ Script error: No such module "citation/CS1".
  124. ↑ Script error: No such module "citation/CS1".
  125. ↑ Script error: No such module "citation/CS1".
  126. ↑ Script error: No such module "citation/CS1".
  127. ↑ Script error: No such module "citation/CS1".
  128. ↑ Script error: No such module "citation/CS1".
  129. ↑ Script error: No such module "citation/CS1".
  130. ↑ Script error: No such module "citation/CS1".
  131. ↑ Script error: No such module "citation/CS1".
  132. ↑ Script error: No such module "citation/CS1".
  133. ↑ Script error: No such module "citation/CS1".
  134. ↑ Script error: No such module "citation/CS1".
  135. ↑ Script error: No such module "citation/CS1".
  136. ↑ Script error: No such module "citation/CS1".
  137. ↑ Script error: No such module "citation/CS1".
  138. ↑ Script error: No such module "citation/CS1".
  139. ↑ Script error: No such module "citation/CS1".
  140. ↑ Script error: No such module "citation/CS1".
  141. ↑ Script error: No such module "citation/CS1".
  142. ↑ Script error: No such module "citation/CS1".
  143. ↑ Script error: No such module "citation/CS1".
  144. ↑ Script error: No such module "citation/CS1".
  145. ↑ Script error: No such module "citation/CS1".
  146. ↑ Script error: No such module "citation/CS1".
  147. ↑ Script error: No such module "citation/CS1".
  148. ↑ Script error: No such module "citation/CS1".
  149. ↑ Script error: No such module "citation/CS1".
  150. ↑ Script error: No such module "citation/CS1".
  151. ↑ Script error: No such module "citation/CS1".
  152. ↑ Script error: No such module "citation/CS1".
  153. ↑ Template:Cite magazine
  154. ↑ Template:Cite magazine
  155. ↑ Script error: No such module "citation/CS1".
  156. ↑ Script error: No such module "citation/CS1".
  157. ↑ a b Script error: No such module "citation/CS1".
  158. ↑ Script error: No such module "citation/CS1".
  159. ↑ Script error: No such module "citation/CS1".
  160. ↑ Script error: No such module "citation/CS1".
  161. ↑ Script error: No such module "citation/CS1".
  162. ↑ a b c d Script error: No such module "citation/CS1".
  163. ↑ Script error: No such module "citation/CS1".
  164. ↑ Script error: No such module "citation/CS1".
  165. ↑ Script error: No such module "citation/CS1".
  166. ↑ Script error: No such module "citation/CS1".
  167. ↑ Script error: No such module "citation/CS1".
  168. ↑ Script error: No such module "citation/CS1".
  169. ↑ a b c d Script error: No such module "citation/CS1".
  170. ↑ a b c Script error: No such module "citation/CS1".
  171. ↑ a b c Script error: No such module "citation/CS1".
  172. ↑ Script error: No such module "citation/CS1".
  173. ↑ Script error: No such module "citation/CS1".
  174. ↑ Script error: No such module "citation/CS1".
  175. ↑ Script error: No such module "citation/CS1".
  176. ↑ Script error: No such module "citation/CS1".
  177. ↑ Script error: No such module "citation/CS1".
  178. ↑ Script error: No such module "citation/CS1".
  179. ↑ Script error: No such module "citation/CS1".
  180. ↑ Script error: No such module "citation/CS1".
  181. ↑ Script error: No such module "citation/CS1".
  182. ↑ Script error: No such module "citation/CS1".
  183. ↑ Script error: No such module "citation/CS1".
  184. ↑ Script error: No such module "citation/CS1".
  185. ↑ Script error: No such module "citation/CS1".
  186. ↑ Script error: No such module "citation/CS1".
  187. ↑ Script error: No such module "citation/CS1".
  188. ↑ Script error: No such module "citation/CS1".
  189. ↑ Script error: No such module "citation/CS1".
  190. ↑ Script error: No such module "citation/CS1".
  191. ↑ Script error: No such module "citation/CS1".
  192. ↑ Script error: No such module "citation/CS1".
  193. ↑ Script error: No such module "citation/CS1".
  194. ↑ *Script error: No such module "citation/CS1".
  195. ↑ Script error: No such module "citation/CS1".
  196. ↑ Script error: No such module "citation/CS1".
  197. ↑ Script error: No such module "citation/CS1".
  198. ↑ Script error: No such module "citation/CS1".
  199. ↑ Script error: No such module "citation/CS1".
  200. ↑ Script error: No such module "citation/CS1".
  201. ↑ Script error: No such module "citation/CS1".
  202. ↑ Script error: No such module "citation/CS1".
  203. ↑ Script error: No such module "citation/CS1".
  204. ↑ Script error: No such module "citation/CS1".
  205. ↑ Script error: No such module "citation/CS1".
  206. ↑ Script error: No such module "citation/CS1".
  207. ↑ a b c d Script error: No such module "citation/CS1".
  208. ↑ a b Script error: No such module "citation/CS1".
  209. ↑ a b Script error: No such module "citation/CS1".
  210. ↑ Script error: No such module "citation/CS1".
  211. ↑ a b c d Script error: No such module "citation/CS1".
  212. ↑ Script error: No such module "citation/CS1".
  213. ↑ Script error: No such module "citation/CS1".
  214. ↑ Script error: No such module "citation/CS1".
  215. ↑ Script error: No such module "citation/CS1".
  216. ↑ Script error: No such module "citation/CS1".
  217. ↑ Script error: No such module "citation/CS1".
  218. ↑ Script error: No such module "citation/CS1".
  219. ↑ Script error: No such module "citation/CS1".
  220. ↑ Script error: No such module "citation/CS1".
  221. ↑ Script error: No such module "citation/CS1".
  222. ↑ Template:Cite magazine
  223. ↑ Script error: No such module "citation/CS1".
  224. ↑ Script error: No such module "citation/CS1".
  225. ↑ Script error: No such module "citation/CS1".
  226. ↑ Script error: No such module "citation/CS1".
  227. ↑ Script error: No such module "citation/CS1".
  228. ↑ Script error: No such module "citation/CS1".
  229. ↑ Microsoft Unveils "Media2Go" Portable Media Player Platform: Intel to Deliver Initial Hardware Reference Template:Webarchive
  230. ↑ Script error: No such module "citation/CS1".
  231. ↑ Script error: No such module "citation/CS1".
  232. ↑ Script error: No such module "citation/CS1".
  233. ↑ Script error: No such module "citation/CS1".
  234. ↑ Script error: No such module "citation/CS1".
  235. ↑ Script error: No such module "citation/CS1".
  236. ↑ Script error: No such module "citation/CS1".
  237. ↑ Script error: No such module "citation/CS1".
  238. ↑ Template:Cite magazine
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