

When backing up to other destinations: 2000 mailboxes per protection plan (no limitation for number of mailboxes per company)ġ0 000 protected items (mailboxes, OneDrives, or sites) per company** When backing up to the cloud storage: 5000 mailboxes per company Maximum number of items that can be backed up without performance degradation Recovery to an on-premises Microsoft Exchange Server Recovery to another user within one organization Protecting more than one Microsoft 365 organization Yes, by applying a protection plan to the All users, All groups, All sites, All teams groups

The following table summarizes the functionality of the local and the cloud agent.įor tenants in the Enhanced security mode, only the local agent is available. Agent for Microsoft 365ĭepending on the desired functionality, you can choose to install Agent for Microsoft 365 locally, use the agent installed in the cloud, or both. For more information about these levels, refer to Compression level. The compression level for cloud-to-cloud backups is fixed and corresponds to the Normal level of non-cloud-to-cloud backups. Also, you can keep a local copy of the Exchange Online mailboxes if it is required for regulatory compliance.īacked-up data is automatically compressed and it uses less space on the backup location than on its original location. You can recover deleted items from a backup even after the Microsoft 365 retention period has expired. Protecting Microsoft 365 data Why back up Microsoft 365 data?Įven though Microsoft 365 is a set of cloud services, regular backups provide an additional layer of protection from user errors and intentional malicious actions.
