When presented with catastrophic data loss on a customer’s QNAP NAS device (that had no second copy), I had to work fast and try to recover as much data as possible. My attempt at a restore started from a post in QNAP’s forum and expanded into the steps you see here.
If you look to Microsoft for the “Official” word on getting mail data out of the OST file, you’ll be met with “not possible” or “not supported” or some version of those words. In the world of IT, when you need to get at user’s mail data – “not possible” is not going to cut it. Here’s how you can get some (or all) the mail data out of OST files.