| Odyssey | |
|---|---|
| Version of the Windows NT operating system | |
| Developer | Microsoft | 
| Working state | Historic, never released | 
| Marketing target | Business | 
| Kernel type | Windows NT | 
| License | Non-disclosure agreement [1] | 
| Support status | |
| Cancelled | |
Odyssey (also known as NT6) was the codename for a version of Microsoft Windows that was intended to succeed Windows 2000. The project was cancelled in early 2000 and later merged with Neptune to create Windows XP. [2]
Development of Odyssey began alongside the consumer-based Neptune in 1999 and was based on the Windows 2000 codebase. [2] Features planned for Odyssey were the new Activity Centers as well as a new user interface. [2] [1] The version number of Odyssey is unknown, with some unverified sources claiming it as NT 6.0 or NT 5.5. [3]
Due to high hardware requirements and because Odyssey and Neptune would be based on the same codebase anyway, Microsoft combined them to form codename Whistler, for efficiency. [2] No builds or versions of Odyssey were ever leaked or released by Microsoft as the product never left the planning stage. [3]
Confidential documents from the Comes vs. Microsoft case do state that Odyssey was indeed under development. [3]