Import Pst Into Outlook

I needed to find an old email and  have a backup of some old outlook pst files I wanted to import into Outlook.

First I went to file then import /from another program or file/personal folder.pst, but nothing happened.

This is what worked, File, Then Open Outlook Data File, choose the location of your old pst files.

This will add a folder to the bottom of your existing mail.

You can then read them and when finished delete the folder.