On October 1st backup and Sync will no longer be operational, and will be replaced by Drive for desktop. Starting from July 19, 2021 users will get a guided flow to help users transition onto Drive for desktop. from August 18, 2021 users still on backup and sync will get a prompt to upgrade to the new Drive for

Two clients are in use currently: the Backup and Sync client, available to Home customers and Drive File Stream, available to business and Enterprise customers.

Both share some functionality, including the ability to sync data from local devices with Google Drive cloud storage.

 

The company will now unify sync clients. The new client, Drive for desktop, includes all functionality of the commercial Drive File Stream application.

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Difference between Backup and Sync and Drive for desktop