For Few OST files you can convert OST files TO PST by forwarding your Emails. Just email your PST items to your personal email address. Just select the items, then right click and choose forward. If you have many OST files, you could drag the files to a new folder in My Documents, then just zip the folder and email that zip file.
For the bunch of PST files, you are left with no options other than buying Third party tool. You can check it out SysInfoTools OST to PST Converter. The tool gives the effective results in couple of seconds
Some of its Features are
• Repairs Corrupted PST files
• Low Footprints of Exe file. Hence Ultra-fast
• Saves in different Format
Last edited by James Snow; 02-21-2017 at 06:31 AM.