Group Mailbox
The group Mailbox option lets you choose the Group Entities For Backup.
Select Domain to configure backup: From the drop-down list choose the domain(s) you wish to configure backup.
Choose Group Selection Option: This option lets you select the Group. From the drop-down list select the group you wish to configure backup. There are two options namely
All Groups - Choosing this option will let you select all the group mailboxes in the domain. By default, all groups of all domains will be backed up
Specific Groups - Choosing this option will list all the group mailboxes in the domain. By default, all the groups from the selected domain(s) are available for backup. You can choose only the specific groups you wish to configure backup and deselect the remaining users.
Select Data to Backup: Select the Group Mailbox entities you wish to configure backup. You can either choose all the options or perform backup level granularity by choosing only the required entities. The supported entities in the user mailbox are
Group Conversation - Selecting this option will backup the Office 365 Group Conversation only
Group OneDrive - Selecting this option will backup the Group OneDrive items only.
Click next to continue.