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Object Storage Retention

Obsolete restore points are removed from object storage automatically by Veeam Backup for Microsoft 365. Data removal is based on the retention policy settings that you configure when extending a backup repository with object storage.

Depending on how frequently your retention policy is configured to be executed, Veeam Backup for Microsoft 365 initiates a service task that calculates the age of offloaded restore points and if the age exceeds the specified retention period, this task purges obsolete restore points from object storage.

Important

Do not remove anything from object storage manually, as this will irreversibly damage your backup structure to the point where you will be completely unable to read data from such corrupted backups.

Archive Object Storage Retention

Consider the following:

The retention type of a backup repository extended with an archive object storage must match that of an extended backup repository where you keep your backups.
If you increase the retention policy value for a backup repository extended with an archive object storage that has the item-level retention type and start a backup copy job without source backup job started prior to that, Veeam Backup for Microsoft 365 will not archive backed-up data of items whose last modification time fits the updated retention coverage of backup copy.