Storage for Backup Copies

The following table lists the structure that is created and maintained by Veeam Backup for Microsoft 365 in object storage repositories where you transfer your backed-up data using backup copy. You can use any supported object storage for this purpose. For more information, see Object Storage Repositories.

Directory	Description
<bucket_name/container_name>	A bucket or container name. Buckets and containers must be created in advance using the cloud provider tools. Veeam Backup for Microsoft 365 does not support creating new buckets or containers.
<bucket_name/container_name>/Veeam/Backup365/	A set of mandatory folders created by Veeam Backup for Microsoft 365.
<repository_folder_name>	A repository folder that you create when adding a new object storage repository. For more information on how to add a new object storage repository, see Adding Object Storage Repositories.
<repository_folder_name>/CommonInfo	Contains the following blob files: [Blob file] StorageStatistics. Contains information on used space in the object storage repository per organization. [Blob file] RepositoryConfig. Contains the object storage repository configuration such as the retention type, the data immutability settings and other auxiliary information, as well as version of the blob file.
<repository_folder_name>/CriticalDataBackup	Contains identical copies of the following blob files: [Blob file] RepositoryConfig. Contains the object storage repository configuration such as the retention type, the data immutability settings and other auxiliary information, as well as version of the blob file. [Blob file] BackupKeys. Contains information about the encryption keys that you set to encrypt data in object storage, as well as version of the blob file.
<repository_folder_name>/DataRetrievalsMetadata	Contains information about backed-up data retrievals.
<repository_folder_name>/Encryption	Contains the BackupKeys blob file that holds information about the encryption keys that you set to encrypt data in object storage, as well as version of the blob file.
<repository_folder_name>/OrganizationInfos	Contains blob files with the information about archived Microsoft organizations.
<repository_folder_name>/Organizations	The root folder that contains archived Microsoft organizations. Each organization is kept in its own folder with a unique identification number.
<organization_Id>/AccountMailboxes	Contains blob files with the information about account mailboxes.
<organization_Id>/CopyObjects	Contains dates of the latest attempt of saving backed-up data of objects per object.
<organization_Id>/Mailboxes/<mailbox_Id>	The Mailboxes directory contains archived Exchange mailboxes. Each mailbox is saved under a unique identification number to the <mailbox_Id> directory. The <mailbox_Id> directory contains the following directories: Messages. Contains archived Exchange data. Folders. Contains a snapshot of Exchange folders at the specified point in time.
<organization_Id>/MailboxInfos	Contains blob files with the information about archived Exchange mailboxes.
<organization_Id>/RestorePoints	Contains blob files with the information about restore points created by Veeam Backup for Microsoft 365 and a list of restore point objects per restore point.
<organization_Id>/Retrievals	Contains blob files with the information about backed-up data that was retrieved.
<organization_Id>/SiteInfo	Contains blob files with the information about archived SharePoint sites.
<organization_Id>/Sites	Contains a blob file with a list of archived SharePoint sites.
<organization_Id>/TeamInfos	Contains blob files with the unchanged information about teams.
<organization_Id>/Teams	Contains the following directories: Accounts. Contains names and descriptions of all users included in all teams. <team_Id>. Contains archived Microsoft Teams data such as Channels, Tabs, Applications and UsersMembership.
<organization_Id>/WebRestorePoints	Contains information on how web objects were backed up per restore point.
<organization_Id>/Webs/<web_Id>	A set of folders that contain archived SharePoint sites and OneDrive Items. The <web_Id> directory contains the following directories: Files. Contains archived files of the SharePoint site. WebParts. Contains Web Parts of SharePoint sites. Items. Contains archived items such as those located under the Subsites and Content folders for SharePoint, and users folders for OneDrive. Lists. Contains archived SharePoint lists. ListViews. Contains archived SharePoint list views.
<repository_folder_name>/RepositoryLock	Contains a lock file denoting that the object storage repository is in use by a backup proxy server or a backup proxy pool. Access to the object storage repository metadata is limited.