Are you Outlook users suppose you are using Outlook ANSI PST file, which save data only 2GB and you want to import your Outlook PST file (ANSI file) into UNICODE PST file (20GB). So, Outlook users try to import old PST file to new PST file, at that time, you have to face unwanted Outlook error such as:
«The file file_name.PST is not compatible with this version of the Personal Folders information service. Contact your Administrator«

After getting this error, you cannot open and access your mails in Outlook application, for solving this issue, get Outlook repair tool to recover error “PST is not compatible” and recover corrupted PST file. Tryout demo additions, it free recovers emails and other Outlook database, even show preview of repaired Outlook items. Get full version of Outlook repair software just at $49. Then dropped PST information files and save information in PST, EML and MSG information files. Read more to get the further details: http://www.outlook2010recovery.org/scanpsterror/pst-is-not-compatible.html