Hello Dear Friend!
Please try the following steps:
Step 1: Exit Outlook and start the Inbox Repair tool
Step 2: Repair the .pst file by use SCANPST.EXE
Step 3: Recover repaired items to a new .pst file
Step 4:Create a new Personal Folder (.pst) file in your profile.
Click on the File tab on the ribbon, and then click the Info tab on the menu.
Click the Account Settings button, and then click Account Settings again.
Click the Data Files tab.
Click Add to open the Create or Open Outlook Data File dialog box.
Enter a file name for your new Outlook Data (.pst) file, and then click OK.
You should have a new Outlook Data (.pst) file in your profile.
Step 5:Drag the recovered items from the Lost and Found folder to your new Personal Folders (.pst) file.
Step 6:When you have finished moving all items, you can remove the Recovered Personal
Folders (.pst) file from your profile. This includes the Lost and Found folder.
Step 7:If you are satisfied with the information that you recovered, you are finished. However, if you want to try to recover additional information, go to "Recover repaired items from the
backup file."
For more details follow here
http://support.microsoft.com/en-us/kb/272227
If it will not help then you have use third-party utility like Recovery Toolbox for Outlook
https://outlook.recoverytoolbox.com/
-
Marked as answer by
PatrickGlenn
Friday, May 15, 2015 10:43 AM