If a document is deleted from OneDrive, it be recovered.

 

To restore a deleted item using OneDrive in a web browser:

1. Click the Recycle bin link.

2. Select the file or folder you wish to recover by clicking the check box next to the file name, or simply right-click on the item.

3. Click "Restore." If you restore an item that was originally located in a deleted folder, the folder is recreated in its original location and the item is restored in that folder.