Contents
What Is PST File Format in MS Outlook?
PST file, also known as Personal Storage Table permanently stores emails and data on the local hard drive.
What Is the OST File format in MS Outlook?
An OST file (.ost) is an offline folder file in Microsoft Outlook.
The ability to work offline is useful in environments with limited or unreliable connectivity.
Most data remains on the server; however, any items that are saved locally should be backed up.
For example, Calendar, Contacts, Tasks, and any folders markedLocal only.
While the PST file is a database file, which stores Outlook account data locally.
Microsoft providesScanPST.exeandScanOST.exeto repair PST and OST file corruption issues respectively.
ScanOST.exe is no longer available after Microsoft Office 2010.