Best Solution to Convert OST to PST

Many admins underestimate how risky OST files can be until Outlook refuses to connect. In my case, the Exchange server was permanently decommissioned, leaving several OST files useless. I tried manual archive and export options to convert OST to PST, but those methods only work when the account is live. That’s a major limitation. After some research, I tested the SysInfo OST to PST Converter Tool, and it handled orphaned OST files smoothly. What stood out was the ability to convert large mailboxes without data loss and keep the original hierarchy. The preview option helped verify emails before conversion, which is something manual methods don’t offer. If business continuity matters, relying on a professional tool instead of hit-or-miss manual steps is a smarter choice.