How to Recover Corrupt OST Files Using SysInfo OST Recovery Tool
Why OST Files Become Unreadable
Every time Outlook connects to an Exchange account, it stores a local copy of your mailbox in an OST (Offline Storage Table) file. This cache lets you read and write emails even without internet. But the file is fragile. A sudden power cut, a crashed system, a broken sync, or an oversized mailbox can leave it damaged.
When that happens, Outlook may freeze, refuse...