Sure thing, it's called "browser.plist" in the folder you've mentioned. You can just back it up and restore it if needs be, although if the repositories are missing SourceTree will just note that they aren't available anymore.
Supported Platforms macOS Windows We recently introduced support for additional hosting services such as GitHub Enterprise, GitLab (Cloud, Community Edition, Enterprise Edition), and...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG