Follow given steps that will backup and restore Office 365 mailboxes to PST file and vice-versa using this one tool:
  1. Run Kernel Office 365 Backup and Restore software.
  2. Select Backup and add the Office 365 account after login.
  3. Select first option of Migrate above mentioned mailbox only.
  4. Select type of migration - mailbox, archive mailbox, or public folder.
  5. Apply data filters before saving in PST and click I’m OK, Start Migration.

Similarly, with the help of Office administrator account credentials, users can backup and restore bulk Office 365 mailboxes to PST files and vice-versa.

No, the tool creates a separate PST file for each mailbox. It reduces the complexity of the backup process and also the size of PST file.
The tool includes a special Exclude empty folder option in Filter Selection page. Users can use this option to exclude empty folders while backing up or restoring.
At the user-defined location. While performing the Backup operation, the tool lets the user select a location for saving the PST file.
Add Office 365 account global admin details and Office 365 group ID as source. The content in it will be listed instantly and you can migrate selective data to PST file.
Yes. The tool can efficiently work even without a license. But the free version can backup only 10 items per folder from the Office 365 mailbox to PST.
No. You do not need to take backup of 8 GB again, but you can choose to skip already migrated items while filtering the Mailbox.
The integrity of emails remains same and there is no change in text, attachments etc. Even the status of emails (Read/Unread) is preserved.
Not required. Your PST files that are locally stored on your system would be enough.
If you want to migrate the deleted items folder as well, just confirm that Exclude Deleted items checkbox is unmarked or cleared in the Filter Selection dialogue box. This will migrate PST file data along with deleted items.
Yes, of course. It supports running multiple instances of the tool for backup and restore operations.
Using the free demo version of the tool, you can gain experience with the features of the tool. Additionally you can back up 10 items per folder of your added Microsoft 365 mailbox.