Do Microsoft employees use Visual Source Safe (VSS)?

Microsoft has always been adamant about their use of "dogfooding" in the software development process, and it's made tools like Excel and Visual Studio work pretty well. My question is this: Do Microsoft employees use VSS? Have they ever used it? If not, what do 开发者_高级运维they actually use? It seems to be such a flawed, inadequate version control system that I can't imagine that a competent developer would put up with it!

See the following links for details:

http://www.highprogrammer.com/alan/windev/sourcesafe.html http://www.developsense.com/testing/VSSDefects.html

http://www.codinghorror.com/blog/2006/08/source-control-anything-but-sourcesafe.html

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I believe that nowadays most of the groups either do currently use or are migrating to Team Foundation Server.

It's not clear to me that Microsoft has ever come out and described in detail the tools they use, but I have heard in some deep, dark corners of the internet that the large teams (Windows team, Office team, etc) have, for a long, long time, used what is essentially a custom version of Perforce for version control. I have been led to believe that some teams have (attempted to) made use of SourceSafe, but it's never been widespread there.

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They use Teamserver for source control (or so I was told whilst attending a visual studio event at the Reading campus)