Codename

A name given to a product while it is in development and does not officially have a name. For example, "Chicago" was the codename given to Microsoft Windows 95 while it was being developed. Below is a listing of codenames and their related products.

Microsoft codenames

ProductCodename
BobUtopia
MS-DOS 6.0 Astro
MS-DOS 7.0 Jaguar
Windows 3.1Janus
Windows for Workgroups 3.1Kato
Windows for Workgroups 3.11Snowball
Windows 95Chicago
Windows 95B (OSR2)Detroit
Windows 98Memphis
Windows MEMillennium
Windows NT 3.5Daytona
Windows NT 4.0Cairo
Windows Phone 7.5 Mango
Microsoft Excel
Windows 2000		Odyssey
Windows XP (ver 5.1.2600)Whistler
Windows Server 2003Whistler Server
Windows Vista
Vista's new command interface		Longhorn
Monad
Windows product never released.Neptune
Windows 7Vienna and Blackcomb
Windows 8