Find Overleaf Guide on Sharing a Project for step-by-step instructions on
Overleaf offers Git-Bridge and GitHub Synchronization features that allow you to link your Overleaf projects with local Git repositories or synchronize them with Git repositories hosted on GitHub. The Git-Bridge and GitHub Synchronization features are premium Overleaf features, available with an Overleaf subscription.
Overleaf Git-Bridge and GitHub Synchronization features allow you to work on your LaTeX source offline, help you to share with collaborators outside of Overleaf, and allow you to integrate Overleaf into more complex workflows.
See Overleaf instructions on :