The Outlook PST file missing can be caused by many factors. Corruption of the PST file. Mailbox has exceeded its size limit and bring issues with the Office program. The conflict between the Outlook software and the other software that has recently been installed on the computer.

What to do if Outlook PST file is missing?

Starting with a new pst-file

If you cannot recover your pst-file anymore, then you must create a new pst-file to be able to start Outlook again. You can do this via the Mail applet in Control Panel. By using the “Data Files…” button, you can add and remove pst-files to your Outlook mail profile.

Why did my PST file disappeared?

Applying an improper view might cause some or all items to disappear from a PST file folder. This usually occurs when a filter is applied to the default view settings of a folder. Click View Settings from the View menu, and then click Filter to determine if the missing items are being filtered from view.