Unicode
Unit
Unix
Updates
Usability
Utility
Validator
Value
Var
Variable
Vault
VCS
Vector
Verb
Verification
Versioning
VI
Video
Viewport
Virtualization
VirtualMachine
Visualization
VM
VPN
Vulnerability
Wave
Web
Whole
Widget
WigWag
Window
Wire
Wireless
Word
Worker
Workflow
Worksheet
Workspace
XAML
Yield
ZigZag