There is not such functionality in Sourcetree. This SO topic looks like it would address things if you're using Git: https://stackoverflow.com/questions/750172/change-the-author-and-committer-name-and-e-mail-of-multiple-commits-in-git
Senior Mac Developer, Sourcetree
Supported Platforms macOS Windows To make using Sourcetree as simple yet powerful as possible we embed (bundle) dependencies such as Git, Git LFS, and Mercurial. We strive to keep these...
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