To restore your Microsoft Office 365 data, you can use the abilities of Veeam Explorers, as described in:
To explore and recover Microsoft Exchange mailboxes, folders, messages, tasks, contacts and items.
To explore and recover Microsoft SharePoint sites, libraries and items.
To explore and recover Microsoft OneDrive for Business items and folders.
To launch Veeam Explorers, use the Explore option, as described in the following sections:
To view the content of a backup file created by the selected backup job.
To view the content of backup files of the selected organization.
To view the content of backup files of each organization added to the scope.