The only way to find out is to try. You can download the trial version of Aid4Mail to test before you purchase it.
If Aid4Mail is not able to process the corrupted file, you could try one of the following Microsoft tools to repair your PST:
- How to use the Inbox Repair Tools to recover e-mail messages in Outlook 2002, 2003, and 2007 (scanpst.exe):
- Oversized PST and OST crop tool (Pst2gb.exe):
Should you require any assistance, please don't hesitate to contact the help desk.
If you would like to buy an Aid4Mail license please visit the Aid4Mail website.