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Use cases → Documents and Drive

Schedule regular backups of user Drives with delegation

Automate nightly backups of user Drives using a delegated service account, ensuring critical data is copied without user intervention.

Who it is forIT administrators responsible for continuity and disaster recovery.
APIsDrive API
Typical scopesdrive.readonly, drive.file

The problem

Users rarely back up their own files, and accidental deletions or ransomware can go unnoticed until it's too late. Relying on manual processes or user behaviour is unreliable.

How it works

  1. Set up a delegated service account with domain-wide access to Drive.
  2. Iterate over the user list and impersonate each account in turn.
  3. List files and folders, using file IDs rather than paths to avoid name collisions.
  4. Copy or export files to a central, access-controlled backup Drive on a fixed schedule.
  5. Log file copy statuses and errors for later audit.

What changes

A reliable, automated copy of user Drives is maintained for restore or audit, with no user action required.

The trap in this one. Shared drives and shortcuts behave differently: copying a shortcut with the Drive API only backs up the link, not the target file. If the target is deleted or moved before restore, the backup is incomplete and silent. You must resolve and copy the actual target of every shortcut explicitly, or risk missing critical files without warning.

Watch it explained

“Automatic Backup Spreadsheet with Google Apps Script” — Aris Azhar on YouTube. Third-party video, included because it covers this ground well. We are not affiliated with the channel.

Questions people ask

Can this approach back up shared drives as well as My Drives?

Not directly. Shared drives must be handled with additional logic, as their permissions and file structure differ from user Drives.

How does this affect file ownership?

Copies made by the service account are owned by it or the central backup account, not the original user. This can affect sharing and restore workflows.

Want this built?

This is a pattern we run in production. We will set up the delegation and build this on top of it — $500 per hour, most of it working the same day.

Talk to us Or read the setup guide

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