Mack John's articles
I suggest you first try to ConvertOST to PST Manually for Free
If the manual method fails to convert then move for the third party solution. Before purchasing the full version, make sure the following things:
1.Software Validity2. Technical Support3. SoftwareUpdate4. Money-Back GuaranteeYou can find all these in SysTools OST to PST Converter1. Lifetime SoftwareValidity2. 24X7 Free Technical Support3. One year FreeSoftware Update4. 30 Days Money Back Guarantee*