Offline storage table (OST) and personal storage table (PST) are two different Outlook data files used to store a copy of mailbox items on local storage. Outlook creates a PST file when you add a POP3 ...

In coming spam message for some tool to "fix" it I think.. BUT, jic: You can just delete OST files they are caches and are re-built. Also check there actaully is a valid data file in File -> Info -> ...

If you’re in a situation where Microsoft Outlook and your Outlook Data Files are not opening, and we’re talking about the .pst and .ost files, then there’s an ...

Microsoft Outlook categorizes Outlook Data Files into two types: PST and OST files. PST files contain data stored in your personal folders, whereas OST files contain data downloaded off your Exchange ...

Some Office users are unable to access Outlook on their computer. When trying to do the same, the following error message pops up out of nowhere and they want to know ...

Microsoft Outlook has features to make emailing easier and faster. However, several people have reported some troubles when using it. If you find it difficult accessing your personal data file, you ...

OST (Offline Storage Table) files are Microsoft Outlook data files that store an offline copy of your mailbox data, such as emails, contacts, messages, notes, etc. While you can access and view OST ...