Hey do you want to export office 365 mailbox to PST? Then here, I am gonna suggest you the best way to export office 365 to PST. Well you can export office 365 by using the different manual method like;

Method 01) Export Office 365 Mailbox to PST Using eDiscovery Tool

Method 02) Export Office 365 Mailbox to PST Using Outlook

But, why we need to transfer the Office 365 to PST file

Reason 01) Some times we delete data by mistake due to which we need to use the recover it because it gives you the large data loss.

Reason 02) Unexpected hardware failure or system failure leads to the data loss.

Reason 03) Virus attack can also be the main reason of data loss.

But, still you can recover your lost data by using the professional method. But, to do this professionally you need to use the Aryson Office 365 backup and restore tool. This tool is the perfect solution of your data backup because its algorithm helps to migrate data to the number of email clients without harming the data. Also gives flexibility to convert the Office 365 data to numbers of email clients like Thunderbird, Office 365, Gmail, etc. However, this tool maintains the folder hierarchy throughout the backup process.

For more information you can read this article - https://www.arysontechnologies.com/blog/how-to-export-office-365-mailbox-to-pst-in-easy-ways/