Use this tag for version specific questions about Team Foundation Server 2005. Also, always tag the question with the "master" tag [tfs] as well. If this is not version-specific, use [tfs] for general questions and use [azure-devops] for Azure DevOps questions. TFS2005 largely replaced the previous Microsoft source control system, Microsoft Visual SourceSafe.
Team Foundation Server (commonly abbreviated to TFS) is a Microsoft product offering source control, data collection, reporting, and project tracking, and is intended for collaborative software development projects. It is available either as stand-alone software, or as the server side back end platform for Visual Studio Team System (VSTS).