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List of Microsoft codenames
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==OS components== {| class="sortable wikitable" |- !Codename !Preliminary name !Final name !Notes !Ref |- |Anaheim |{{n/a}} |[[Microsoft Edge]] |A rewrite of Microsoft's web browser, based on the [[Chromium (web browser)|Chromium]] project. |<ref name="edge-chromium">{{Cite web|url=https://www.bleepingcomputer.com/news/microsoft/microsoft-replacing-edge-with-new-chromium-based-browser/|title=Microsoft Replacing Edge With New Chromium-based Browser|website=BleepingComputer|language=en-us|access-date=2019-09-02|archive-date=2018-12-07|archive-url=https://web.archive.org/web/20181207025558/https://www.bleepingcomputer.com/news/microsoft/microsoft-replacing-edge-with-new-chromium-based-browser/|url-status=live}}</ref> |- |Barcelona |{{N/A}} |Windows Defender Application Guard |A security feature for running the [[Microsoft Edge (series of web browsers)|Microsoft Edge]] web browser inside a virtual machine, thus isolating it from the rest of the system in the event that it was hacked. |<ref name="400-mil2">{{cite web|last=Foley|first=Mary Jo|url=https://www.zdnet.com/article/microsoft-windows-10-now-on-400-million-devices/|title=Microsoft: Windows 10 now on 400 million devices|date=26 September 2016|website=[[ZDNet]]|publisher=[[CBS Interactive]]|access-date=27 September 2016|archive-date=18 April 2021|archive-url=https://web.archive.org/web/20210418065937/https://www.zdnet.com/article/microsoft-windows-10-now-on-400-million-devices/|url-status=live}}</ref> |- |Beihai | |[[Paint 3D]] |3D version of [[Microsoft Paint]] |<ref>{{Cite web|url=https://www.zdnet.com/article/microsoft-reveals-more-about-whats-coming-in-windows-10-creators-update/|title=Microsoft reveals more about what's coming in Windows 10 Creators Update|last=Foley|first=Mary Jo|author-link=Mary Jo Foley|date=26 October 2016|website=[[ZDNet]]|publisher=[[CBS Interactive]]|access-date=28 October 2016|archive-date=26 October 2016|archive-url=https://web.archive.org/web/20161026233502/http://www.zdnet.com/article/microsoft-reveals-more-about-whats-coming-in-windows-10-creators-update/|url-status=live}}</ref> |- |Code Integrity Rooting |Secure Startup |[[BitLocker]] |A security feature that checks and validates the integrity of Windows boot and system components. |<ref name="Microsoft">{{cite web |title=Secure Startup: Full Volume Encryption: Executive Overview |url=http://download.microsoft.com/download/5/D/6/5D6EAF2B-7DDF-476B-93DC-7CF0072878E6/secure-start_exec.doc |publisher=Microsoft |date=21 April 2005 |access-date=30 January 2015 |archive-date=4 March 2016 |archive-url=https://web.archive.org/web/20160304083404/http://download.microsoft.com/download/5/D/6/5D6EAF2B-7DDF-476B-93DC-7CF0072878E6/secure-start_exec.doc |url-status=live }}</ref><ref>{{cite web|last1=Biddle |first1=Peter |title=Next-Generation Secure Computing Base |url=http://download.microsoft.com/download/1/8/f/18f8cee2-0b64-41f2-893d-a6f2295b40c8/TW04008_WINHEC2004.ppt |publisher=Microsoft |date=2004 |url-status=dead |archive-url=https://web.archive.org/web/20060827073150/http://download.microsoft.com/download/1/8/f/18f8cee2-0b64-41f2-893d-a6f2295b40c8/TW04008_WINHEC2004.ppt |archive-date=August 27, 2006 }}</ref> |- |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. |<ref>{{cite web|last1=Trent|first1=Rod|title=Windows 10 Build 9926: Continuum Makes an Appearance as Tablet Mode|url=http://winsupersite.com/windows-10/windows-10-build-9926-continuum-makes-appearance-tablet-mode|website=SuperSite for Windows|date=26 January 2015|access-date=2015-01-27|archive-url=https://web.archive.org/web/20150128225713/http://winsupersite.com/windows-10/windows-10-build-9926-continuum-makes-appearance-tablet-mode|archive-date=2015-01-28|url-status=dead}}</ref> |- |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. |<ref name="Microsoft"/><ref>{{cite web|last1=Thurrott|first1=Paul|title=Pre-PDC Exclusive: Windows Vista Product Editions|url=http://windowsitpro.com/article/windows-server-20082/pre-pdc-exclusive-windows-vista-product-editions-revealed-47665|website=SuperSite for Windows|date=9 September 2005|access-date=30 January 2015|archive-url=https://web.archive.org/web/20150402154123/http://windowsitpro.com/article/windows-server-20082/pre-pdc-exclusive-windows-vista-product-editions-revealed-47665|archive-date=2 April 2015|url-status=dead}}</ref> |- |Assistant |{{N/A}} |[[Microsoft Cortana|Cortana]] |An [[intelligent personal assistant]] included with [[Windows 10]], named after an [[Cortana (Halo)|artificial intelligence character]] in ''[[Halo (series)|Halo]]'' |<ref>{{cite web|title='Cortana': More on Microsoft's next-generation personal assistant|url=https://www.zdnet.com/article/cortana-more-on-microsofts-next-generation-personal-assistant/|work=[[ZDNet News]]|publisher=CBS Interactive|access-date=15 January 2015|date=12 Sep 2013|first=Mary Jo|last=Foley|archive-date=29 December 2021|archive-url=https://web.archive.org/web/20211229145426/https://www.zdnet.com/article/cortana-more-on-microsofts-next-generation-personal-assistant/|url-status=live}}</ref> |- |Cougar |{{N/A}} |VMM32 |32-bit kernel |<ref name="Windows 95-related" /><ref name="TONT-Cat names 1" /><ref name="TONT-Cat names 2" /> |- |Darwin |Microsoft Installer |[[Windows Installer]] |A [[Windows service]] and [[application programming interface]] for installing software on computers running Microsoft Windows operating systems |<ref>{{cite web | url=http://blogs.msdn.com/chrsmith/archive/2005/07/01/Darwin_the_FX_the_Bootstrapper_and_you.aspx | title=Windows Installer, The .NET Framework, The Bootstrapper, and You | date=July 1, 2005 | access-date=July 23, 2006 | first=Chris | last=Smith | work=Chris Smith's completely unique view | publisher=[[Microsoft]] | archive-date=December 10, 2008 | archive-url=https://web.archive.org/web/20081210063652/http://blogs.msdn.com/chrsmith/archive/2005/07/01/Darwin_the_FX_the_Bootstrapper_and_you.aspx | url-status=live }}</ref> |- |Frosting |{{N/A}} |[[Microsoft Plus!|Microsoft Plus! for Windows 95]] | |<ref>{{cite news |url=https://www.washingtonpost.com/wp-srv/business/longterm/microsoft/documents/gates0827p2.htm |title=Deposition of Bill Gates |date=August 27, 1998 |access-date=July 23, 2006 |newspaper=[[The Washington Post]] |archive-date=April 10, 2016 |archive-url=https://web.archive.org/web/20160410054821/http://www.washingtonpost.com/wp-srv/business/longterm/microsoft/documents/gates0827p2.htm |url-status=live }}</ref> |- |Hydra |{{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 [[Lernaean Hydra|hydra]] is a [[mythological]] [[monster]] with multiple [[head (anatomy)|heads]]. |<ref>{{cite web |url=http://www.windowsnetworking.com/articles_tutorials/Overview-Terminal-Services.html |title=Overview of Terminal Services |first=Mitch |last=Tullcoh |work=WindowsNetworking.com |publisher=TechGenix |date=February 24, 2005 |access-date=May 23, 2009 |archive-date=October 31, 2012 |archive-url=https://web.archive.org/web/20121031013157/http://windowsnetworking.com/articles_tutorials/Overview-Terminal-Services.html |url-status=live }}</ref> |- |Jaguar |{{N/A}} |{{N/A}} |16-bit DOS kernel for Windows 95 based on [[MS-DOS 5.0]], used by Windows 95 boot loader and compatibility layer. |<ref name="Windows 95-related" /><ref name="TONT-Cat names 1">{{cite web|last1=Chen|first1=Raymond|title=The code names for various subprojects within Windows 95|url=https://blogs.msdn.microsoft.com/oldnewthing/20140520-00/?p=953|website=The Old New Thing|publisher=[[Microsoft]]|date=20 May 2014|access-date=23 January 2016|archive-date=4 July 2021|archive-url=https://web.archive.org/web/20210704050138/https://devblogs.microsoft.com/oldnewthing/|url-status=live}}</ref><ref name="TONT-Cat names 2">{{cite web|last1=Chen|first1=Raymond|title=What was the starting point for the Panther Win32 kernel?|url=https://blogs.msdn.microsoft.com/oldnewthing/20150421-00/?p=44193|website=The Old New Thing|publisher=[[Microsoft]]|date=21 April 2015|access-date=23 January 2016|archive-date=10 January 2019|archive-url=https://web.archive.org/web/20190110065948/https://blogs.msdn.microsoft.com/oldnewthing/20150421-00/?p=44193|url-status=live}}</ref> |- |Jupiter |{{N/A}} |[[WinRT XAML]] |A new application framework on [[Windows 8]] used to create cross-platform "immersive" [[mobile app|apps]]. |<ref name=zdn-jupiter>{{cite web |title=More on Microsoft 'Jupiter' and what it means for Windows 8 |url=http://www.zdnet.com/blog/microsoft/more-on-microsoft-jupiter-and-what-it-means-for-windows-8/8373 |work=[[ZDNet]] |publisher=[[CBS Interactive]] |access-date=March 30, 2013 |archive-date=November 29, 2014 |archive-url=https://web.archive.org/web/20141129031310/http://www.zdnet.com/blog/microsoft/more-on-microsoft-jupiter-and-what-it-means-for-windows-8/8373 |url-status=dead }}</ref> |- |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. ||<ref>{{cite web |url=http://blogs.msdn.com/b/nickmac/archive/2005/11/03/msh-microsoft-command-shell-codename-monad-beta-2-refresh.aspx |title=msh: Microsoft Command Shell (Codename: Monad) Beta 2 Refresh |work=Nick MacKechnie's Blog |publisher=[[Microsoft]] |date=October 27, 2008 |first=Nick |last=MacKechnie |access-date=August 22, 2013 |archive-date=April 7, 2014 |archive-url=https://web.archive.org/web/20140407233930/http://blogs.msdn.com/b/nickmac/archive/2005/11/03/msh-microsoft-command-shell-codename-monad-beta-2-refresh.aspx |url-status=live }}</ref> |- |Morro |{{N/A}} |[[Microsoft Security Essentials]] |MSE was codenamed after the [[Morro de São Paulo]] beach in [[Brazil]]. |<ref>Bott, Ed. [http://blogs.zdnet.com/Bott/?p=1067 "How good is Microsoft's free antivirus software?"] {{Webarchive|url=https://web.archive.org/web/20120531114317/http://www.zdnet.com/blog/bott/how-good-is-microsofts-free-antivirus-software/1067 |date=2012-05-31 }}, [[ZDnet]], June 18, 2009, accessed July 6, 2009.</ref><ref>Schofield, Jack. [https://www.theguardian.com/technology/blog/2009/jun/11/microsoft-morro-antivirus "Waiting for Morro: Microsoft's free anti-virus software"] {{Webarchive|url=https://web.archive.org/web/20170406045944/https://www.theguardian.com/technology/blog/2009/jun/11/microsoft-morro-antivirus |date=2017-04-06 }}, guardian.co.uk, June 11, 2009, accessed July 6, 2009.</ref> |- |Neon |{{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. |<ref>Microsoft [https://fluent.microsoft.com "Fluent Design System"] {{Webarchive|url=https://web.archive.org/web/20180301050334/https://fluent.microsoft.com/ |date=2018-03-01 }}, [[Microsoft]], May 11, 2017, accessed May 12, 2017.</ref> |- |O'Hare |{{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|Chicago, Illinois]] — in Microsoft's words, "a point of departure to distant places from Chicago". |<ref>{{cite web |url=https://technet.microsoft.com/en-us/library/dd316500.aspx |title=Internet Standards and Operating Systems - Why Integration Makes Sense |work=[[Microsoft TechNet#Library|TechNet Library]] |publisher=[[Microsoft]] |date=March 3, 1998 |access-date=July 31, 2009 |archive-date=August 12, 2017 |archive-url=https://web.archive.org/web/20170812133637/https://technet.microsoft.com/en-us/library/dd316500.aspx |url-status=live }}</ref> |- |Panther |{{N/A}} |{{N/A}} |Cancelled. Panther was a 32-bit kernel based on Windows NT kernel. |<ref name="TONT-Cat names 1" /><ref name="TONT-Cat names 2" /> |- |Pinball |{{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. |<ref>{{cite web|title=Windows NT File System Files|url=http://support.microsoft.com/kb/100012/en-us|website=Support|publisher=[[Microsoft]]|access-date=27 January 2015}}</ref><ref>{{cite book|last1=Boswell|first1=William|title=Inside Windows 2000 Server|date=2000|publisher=New Riders|location=Indianapolis, Ind.|isbn=9781562059293|page=[https://archive.org/details/insidewindows20000bosw/page/794 794]|chapter=Chapter 13: Managing File Systems|chapter-url=https://archive.org/details/insidewindows20000bosw/page/794}}</ref><ref>{{cite web|last1=Daily|first1=Sean|title=Using HPFS with NT 4.0|url=http://windowsitpro.com/windows-client/using-hpfs-nt-40|website=Windows IT Pro|date=30 September 1996|access-date=27 January 2015|archive-url=https://web.archive.org/web/20140806094021/http://windowsitpro.com/windows-client/using-hpfs-nt-40|archive-date=6 August 2014|url-status=dead}}</ref> |- |Piton |{{N/A}} |[[Windows Vista I/O technologies#ReadyDrive|ReadyDrive]] |Feature introduced in Windows Vista to support [[hybrid drive]]s |<ref name="PitonWinHEC2004">{{cite web |url=http://download.microsoft.com/download/1/8/f/18f8cee2-0b64-41f2-893d-a6f2295b40c8/TW04026_WINHEC2004.ppt |title=Improved Disk Drive Power Consumption Using Solid-State Non-Volatile Memory |last=Nicholson |first=Clark |date=2004 |publisher=[[Microsoft]] |format=PPT |archive-url=https://web.archive.org/web/20060509115143/http://download.microsoft.com/download/1/8/f/18f8cee2-0b64-41f2-893d-a6f2295b40c8/TW04026_WINHEC2004.ppt |archive-date=May 9, 2006 |access-date=December 6, 2015}}</ref><ref name="SFRBRD">{{cite web |url=http://blogs.msdn.com/b/ianm/archive/2006/04/06/569715.aspx |title=SuperFetch, ReadyBoost and ReadyDrive: some new feature names for you |last=Moulster |first=Ian |date=April 6, 2006 |publisher=[[Microsoft]] |work=MSDN Blogs |access-date=September 17, 2015 |archive-date=November 24, 2015 |archive-url=https://web.archive.org/web/20151124043801/http://blogs.msdn.com/b/ianm/archive/2006/04/06/569715.aspx |url-status=live }}</ref> |- |Protogon |{{N/A}} |[[ReFS]] |The successor of [[NTFS]] |<ref>{{cite web|url=http://www.zdnet.com/blog/microsoft/microsoft-goes-public-with-plans-for-its-new-windows-8-file-system/11666|title=Microsoft goes public with plans for its new Windows 8 file system|last=Foley|first=Mary Jo|date=2012-01-16|work=[[ZDNet]]|publisher=[[CBS Interactive]]|access-date=2017-11-29|archive-date=2013-05-21|archive-url=https://web.archive.org/web/20130521214738/http://www.zdnet.com/blog/microsoft/microsoft-goes-public-with-plans-for-its-new-windows-8-file-system/11666|url-status=dead}}</ref> |- |Rincon |{{N/A}} |[[Internet Explorer 7]] |Rincon is a surfing beach in Puerto Rico |<ref>{{cite web|last1=Lyndersay|first1=Sean|title=On names and codenames…|url=https://blogs.msdn.microsoft.com/justsean/2007/02/09/on-names-and-codenames/|website=Bit-cycling|publisher=[[Microsoft]]|date=9 February 2007|access-date=27 April 2016|archive-date=14 January 2019|archive-url=https://web.archive.org/web/20190114045956/https://blogs.msdn.microsoft.com/justsean/2007/02/09/on-names-and-codenames/|url-status=live}}</ref> |- |Spartan |{{N/A}} |[[Microsoft Edge Legacy|Microsoft Edge [Legacy]]] |[[Web browser]] first introduced in [[Windows 10]], which uses [[EdgeHTML]] rendering engine. Refers to [[Spartan (Halo)|Spartan]]s in ''[[Halo (series)|Halo]]''. |<ref>{{cite web|last1=Warren|first1=Tom|title=This is Microsoft Edge, the replacement for Internet Explorer|url=https://www.theverge.com/2015/4/29/8511169/microsoft-edge-official-name-internet-explorer-upgrade|website=[[The Verge]]|publisher=[[Vox Media]]|date=29 April 2015|access-date=3 September 2017|archive-date=29 April 2015|archive-url=https://web.archive.org/web/20150429211200/http://www.theverge.com/2015/4/29/8511169/microsoft-edge-official-name-internet-explorer-upgrade|url-status=live}}</ref> |- |Stimpy |{{N/A}} |[[Windows Shell]] |Applies to [[Windows 95]] only. |<ref name="TONT-Cat names 1" /><ref name="TONT-Cat names 2" /> |- |Viridian |{{N/A}} |[[Hyper-V]] |[[Platform virtualization|Virtualization]] update for [[Windows Server 2008]] |<ref>{{cite web|url=http://www.zdnet.com/blog/microsoft/microsoft-to-ship-windows-server-2008-over-time-in-eight-flavors/935|title=Microsoft to ship Windows Server 2008, over time, in eight flavors|website=[[ZDNet]]|access-date=2007-11-13|archive-date=2010-09-24|archive-url=https://web.archive.org/web/20100924135715/http://www.zdnet.com/blog/microsoft/microsoft-to-ship-windows-server-2008-over-time-in-eight-flavors/935|url-status=dead}}</ref> |- |[[WinFS]] |{{N/A}} |{{n/a}} |A cancelled data storage and [[data management|management]] system project based on [[relational database]]s, first demonstrated in 2003 as an advanced storage subsystem for the [[Microsoft Windows]], designed for [[Persistence (computer science)|persistence]] and management of [[Structured data|structured]], [[Semi-structured model|semi-structured]] as well as [[unstructured data]]. |<ref>{{cite web|url=http://news.zdnet.co.uk/software/0,1000000121,2131385,00.htm |title=Leaked Windows hints at changes to come |work=[[ZDNet]] |publisher=[[CBS Interactive]] |archive-url=https://web.archive.org/web/20070930210357/http://news.zdnet.co.uk/software/0%2C1000000121%2C2131385%2C00.htm |archive-date=September 30, 2007 |date=September 30, 2007 |url-status=dead }}</ref><ref>{{cite web |url = https://www.theguardian.com/technology/2006/jun/29/insideit.guardianweeklytechnologysection |title = Why WinFS had to vanish |first = Jack |last = Schofield |work = [[The Guardian]] |publisher = Guardian News and Media |date = June 29, 2006 |access-date = December 9, 2010 |archive-date = July 13, 2021 |archive-url = https://web.archive.org/web/20210713004634/https://www.theguardian.com/technology/2006/jun/29/insideit.guardianweeklytechnologysection |url-status = live }}</ref> |- |Cascadia |{{N/A}} |[[Windows Terminal]] |A terminal emulator for [[Windows 10]]. |<ref>{{cite web|author=Kayla|title=Cascadia Code|url=https://devblogs.microsoft.com/commandline/cascadia-code|website=Windows Command Line|access-date=9 March 2022|date=18 September 2019|archive-date=9 March 2022|archive-url=https://web.archive.org/web/20220309142107/https://devblogs.microsoft.com/commandline/cascadia-code/|url-status=live}}</ref> |- |}
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