1. Choose File-> Open-> Outlook Data File...
2. Browse to the location where you've restored the pst file. For instance:
D:\My Documents\My Outlook\Temp
3. You'll now see an additional set of folders added to your folder list which you can expand. Expand the list and select the Inbox folder
4. In this folder select the messages you want to restore to the original Inbox folder
5. Drag & drop them to the default Inbox folder
6. Do the same for the Contacts folder. You might want to set your view to a list view so you can easily select and move the items.
* Outlook 2007 and previous
View-> Current View-> Phone List
* Outlook 2010 and Outlook 2013
tab Home-> group Current View-> List
7. Now that the importing is complete, right click the pst-file in Outlook added in step 2 and choose Disconnect.
8. Restart Outlook and remove the export.pst file from the Temp directory if desired.
9. Apply software dedicated to corrupt .ost and .pst files
https://www.repairtoolbox.com/pstrepair.html Outlook Repair Toolbox