To backup your Office 365 mailbox to PST format, you can use the CloudMigration Office 365 Backup Tool. This tool is effective and simple to use. CloudMigration Office 365 Backup Tool allows you to export emails, contacts, calendars, and other data from your Office 365 account in PST format. This is especially helpful for backup and archiving purposes or if you intend to transfer the data to Outlook. In addition, the tool provides options such as date filters and selective folder backup to increase control over the backup procedure.

Here is the step-by-step guide to convert Office 365 to PST:
  1. Install CloudMigration Office 365 Backup Tool on your computer.
  2. Open the software and choose Office 365 as the source email platform.
  3. Authenticate with your Office 365 admin or user account.
  4. Select PST from the list of saving options and designate it as the saving format.
  5. Optionally, apply filters such as date range or specific folders if you do not require a full backup.
  6. Hit "Start Backup" to export Office 365 data to PST format.
  7. Your PST file will be available for local access and can be opened through Outlook as soon as the process is completed.


Read More: Migrate Office 365 to IMAP