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Changing Diff and Merge Configuration in Team Foundation Server

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If you prefer your own Diff/Merge tool over the standard TFS one, here is how to change the TFS configuration. Personally I use DiffMerge by SourceGear.

Note, you can specify .* for the file type extension to use your merge tool for everything.

Associating a diff tool with a file type in TFS

Common Command and Argument Values for different Diff tools for TFS

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