Existing backup sets are suggested to be updated to use Modern Authentication. This will ensure that moving forward there will be no backup and restore issues to be encountered once Microsoft implements its product roadmap for Modern Authentication. This only needs to be done once per Microsoft 365 user account.

To update the backup settings, follow the instructions below:

1. Log out all Microsoft 365 account on the default browser before starting the update of backup set.
2. In the CloudBacko Pro main interface, click Backup Sets.