An Outlook Data File (.pst) file is a copy of the information in your Outlook account (including, but not limited to, emails, contacts, and appointments) stored on your local device.

Import Archived PST File into New Outlook According to the latest Microsoft 365 roadmap, new Outlook still does not support direct importing of PST files. However, Microsoft is currently working to ...

How to Repair a Microsoft Outlook PST File. Correct problems with Microsoft Outlook by repairing your Microsoft Outlook Data File -- known as a PST file. If you're having problems opening or ...