Cannot start Microsoft Office Outlook… Cannot open the outlook window.: If you are getting this message when you try to open outlook or if your outlook get handed if over loaded with emails in inbox or sent item you may end up having no access to your important mails and contents of PST.
One of the best and easiest way to retrieve and make it work is to go to start menu and type restore and click on system Restore.
Choose the latest restore point to select and it will take 5 to 10 mins to restore back. After this open outlook will try to repair your PST file in 5 mins and it will be back to work.
