https://www.manageengine.com/products/ad-manager/help/google-workspace/google-worskpace-backup.html
Google Workspace backup & recovery
google workspace backuprecovery
https://cubebackup.com/
CubeBackup - Self-Hosted Google Workspace Backup and Microsoft 365 Backup Solution
Backup for Google Workspace and Microsoft 365 with version history to on-premises or private cloud storage in CubeBackup.
google workspace backupself hostedmicrosoft 365cubebackupsolution