MS Office provides an official option to export Office 365 mailbox to .pst file. Follow the below-given steps to export PST from Office 365 Admin Center.

1. Log in to your Office 365 account with your credentials.

2. Go to the Exchange Admin Center.

3. Under the Recipients tab, select Mailboxes.

4. Select the mailbox you wish to export.

4. Click on the three dots (...), and choose Export to a PST file.

5. Configure export options, such as the desired timeframe and whether to include subfolders.

6. Start the export process by following the on-screen prompts.

7. Once the export is complete, you'll receive an email notification with a link to download the PST file.

Done! that's how you can manually export Office 365 mailbox into PST format. However, if you face any issues with it then you can try the Advik Office 365 Backup Tool. The software can convert Office 365 emails to PST in just a few simple clicks.

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