You can back up an entire Shared drive, or individual files and folders.
Files are backed up together with their sharing permissions.
Limitations
A Shared drive without members cannot be backed up, due to Google Drive API limitations.
Out of Google-specific file formats only Google docs, Google sheets, Google slides, and Google Drawings are backed up.
What items can be recovered?
You can recover an entire Shared drive, or any file or folder that was backed up.
You can use search to locate items in a backup, unless the backup is encrypted. Search in encrypted backups is not supported.
You can choose whether to recover the sharing permissions or let the files inherit the permissions from the folder to which they are recovered.
The following items are not recovered:
Sharing permissions for a file that was shared with a user outside the organization are not recovered if sharing outside the organization is disabled in the target Shared drive.
Sharing permissions for a file that was shared with a user who is not a member of the target Shared drive are not recovered if Sharing with non-members is disabled in the target Shared drive.
Limitations
Comments in files are not recovered.
Sharing links for files and folders are not recovered.