Overleaf treats folders as organizational metadata. When you delete a folder, you are effectively deleting all files inside that folder in one action. However, the recovery process is identical to recovering individual files.
Let us walk through a realistic scenario to cement the process. overleaf recover deleted file
Recovery is good, but prevention is better. Overleaf is reliable, but it is not a backup solution. Implement these habits immediately. Overleaf treats folders as organizational metadata