- .NET Compact Framework
- .NET Framework
- .sys
- 16-bit
- 2006 FIFA World Cup
- 2010 FIFA World Cup South Africa
- 32-bit
- 3D FlowerBox
- 3D Flying Objects
- 3D Maze
- 3D Pipes
- 3D Text
- 3D Viewer
- 64-bit
- 86-DOS
- ADO.NET
- AFL Evolution
- AFL Live 2
- AFL Live 2003
- AFL Live 2004
- AFL Premiership 2005
- AHCI
- AMF Bowling 2004
- AOL
- AQuantive
- ARM64
- ASP.NET
- ASUS
- AUTOEXEC.BAT
- Action Center
- ActiveMovie
- ActiveSync
- ActiveX
- Active Directory
- Active Directory Domain
- Active Server Pages
- Activision Blizzard
- Adam Nathan
- Address Windowing Extensions
- Adobe Director
- Adobe Flash Player
- Advanced Stream Redirector
- Advanced Systems Format
- Advent Rising
- Aero
- Age of Empires (series)
- Age of Empires II: The Conquerors
- AirForce Delta Storm
- Alan Wake
- Alcatel-Lucent v. Microsoft
- Alex Barnett
- Alex St. John
- Alexey Pajitnov
- Alter Echo
- Anders Hejlsberg
- Andrea Lewis
- Andrew Herbert
- Android
- App theme
- Apple Inc.
- Aptos
- Architecture of Windows NT
- Arena Football
- Arm Ltd.
- Armed and Dangerous
- Army of Two: The 40th Day
- Asha Sharma
- Aurora
- AutoWikiBrowser/CheckPage
- Autoexec.bat
- Avatar (Xbox)
- Azure DevOps Server
- Azure Stack HCI
- Azurik: Rise of Perathia
- B. Kevin Turner
- BADAPP.exe
- Backward compatibility
- Banjo-Kazooie
- Banjo-Kazooie: Nuts & Bolts
- Banjo-Tooie
- Bash
- Batch file
- Batman: Arkham Asylum
- Batman: Arkham City
- Batman: Arkham Origins
- Beziers
- Bill Buxton
- Bill Gates
- Bill Hilf
- Bing
- Bing Health
- Bing Maps
- Bing Shopping
- Bing Videos
- Bing Webmaster Tools
- Bing xRank
- Bingbot
- Bink Video
- BitLocker
- Blank
- Blinx - The Time Sweeper
- Blinx 2: Masters of Time and Space
- Bliss
- Blood Wake
- Blue Dragon
- Blue Screen of Death
- Bluetooth
- Board of directors
- Bob Greenberg
- Bob O'Rear
- Bob Wallace
- BonziBuddy
- Brad Silverberg
- Brad Smith
- Brian Culp
- Brian Eno
- Brian Schmidt
- Brian Valentine
- BrowserChoice.eu
- Bruce Leak
- Bubbles
- Bungie
- Burnout
- Burnout 2: Point of Impact
- Butler Lampson
- CD-ROM
- CD Player
- COMMAND.COM
- CONFIG.SYS
- Calibri
- Cambria
- Cardfile
- Cassette tape
- Cathy Marshall (hypertext developer)
- Central processing unit
- Chakra
- Chakra (JScript engine)
- Chakra (JavaScript engine)
- Channel 9
- Character Map
- Charles Noski
- Charles P. Thacker
- Charles Simonyi
- Chess Titans
- Chris Capossela
- Chris Hecker
- Chris Sells
- Christopher Bishop
- Christopher Hedrick
- Chromium
- Cinepak
- CleanThis
- ClearType
- Clear Type Text Tuner
- Client Access License
- ClueFinders 3rd Grade Adventures: Mystery of Mathra
- ClueFinders 4th Grade Adventures: Puzzle of the Pyramid
- ClueFinders 5th Grade Adventures: Secret of the Living Volcano
- ClueFinders 6th Grade Adventures: Empire of the Plant People
- Cmd.exe
- CodePlex
- CodeView
- Cognitive Speech Services
- Command-line interface
- Command (computing)
- Common Language Runtime
- Comparison of DOS operating systems
- Compatibility
- Component Object Model
- Computer
- Computer hardware
- Computer keyboard
- Computer mouse
- Computer virus
- Computing
- Conker's Bad Fur Day
- Conker: Live & Reloaded
- Connectix
- Consumers Software
- Control-Alt-Delete
- Control Panel
- Copilot+ PC
- Cortana
- Crackdown
- Craig Duncan
- Craig Mundie
- Criticism of Microsoft
- Criticism of Microsoft Windows
- Curt Kolcun
- Cynthia Dwork
- DEC Alpha
- DLL hell
- DMTK in the public domain
- DOS
- DOSbox
- DR DOS
- Dan Fernandez
- Daniel A. Reed
- Danny Lange
- Danny Thorpe
- Darcy Burner
- Dartium
- Database Engine Tuning Advisor
- Dave Cutler
- David Marquardt
- Dead Rising 3
- Dead Space
- Dean Hachamovitch
- Delete System32
- Dell
- Dell Dimension
- Derek Denny-Brown (software engineer)
- Desktop
- Desktop Window Manager
- Desktop publishing
- Development of Windows 2000
- Development of Windows Vista
- Development of Windows XP
- Device Manager
- Device driver
- Dialog box
- Dick Brass
- Digital Equipment Corporation
- Digital rights management
- Dina Dublon
- DirectInput
- DirectPlay
- DirectShow
- DirectSound
- DirectX
- DirectX Media Objects
- Disk Cleanup
- Distributed Component Object Model
- Distributed File System (Microsoft)
- Distributed Transaction Coordinator
- Document management
- Don Box
- Don Mattrick
- Don Syme
- Dr.Seuss's ABC
- Dr.Seuss's Green Eggs and Ham
- Dreamcast
- Drop shadow
- EFS
- Ed Fries
- EdgeHTML
- Elle Litchney
- Emergency Mode
- Encarta
- Encrypting File System
- End user
- Ensemble Studios
- Eric Neustadter
- Eric Oemig
- Eric Traut
- Erik Gavriluk
- Erik Meijer (computer scientist)
- Ethernet
- Eugene Nalimov
- European Union Microsoft antitrust case
- Excel 2010
- Excel 2010/Snippets
- Excel 2010/Snippets/Application
- Excel 2010/Snippets/Application/to do
- Excel 2010/Snippets/General
- Excel 2010/Snippets/NamedRange
- Excel 2010/Snippets/Worksheet
- Excel 2010/Snippets/Worksheet/to do
- Excel Services
- FASA Studio
- Fable
- Fable II
- Fable III
- Far Cry 2
- Fast Search & Transfer
- Features new to Windows 7
- Features new to Windows 8
- Features new to Windows Vista
- Features new to Windows XP
- File Allocation Table
- File Explorer
- File Icon
- File Manager
- File system
- Firefox
- Flash memory
- Flying Windows
- Folder
- Forefront Identity Manager
- Forefront Threat Management Gateway
- Forefront Unified Access Gateway
- Forza
- FreeCell
- Full Tilt! Pinball
- Functoid
- Fury3
- Gadget
- Games for Windows
- Games for Windows - Live
- Gary Kimura
- Gary Starkweather
- Gary Sullivan (engineer)
- Gary William Flake
- Gates Ventures
- Gay and Lesbian Employees at Microsoft
- Gears of War
- Gears of War 2
- Gears of War 3
- Gene Ball
- Gigabyte
- GitHub
- Global Address List
- Globally Unique Identifier
- Google Chrome
- Google Chrome Canary
- Goosebumps: Dead Of Night
- Goosebumps: The Game
- Gordon Bell
- Gordon Letwin
- Grabbed by the Goulies
- GraphEdit
- GraphStudio
- Graphical user interface
- Graphics Device Interface
- Graphics card
- Graphics processing unit
- Greg Stein
- Greg Whitten
- Grete Faremo
- Groove Music
- Groove Networks
- GroupMe
- Group Policy
- HDi (interactivity)
- Halo: Combat Evolved
- Halo: Reach
- Halo (series)
- Halo 2
- Halo 3
- Halo 3: ODST
- Halo Studios
- Halo Wars
- Hard disk drive
- Harry Shum