Your Outlook Data File is composed of a file header, located at the beginning of the document, and the actual data that makes up your personal folders. Contained in the header is information about the ...

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 ...

If you cannot open Microsoft Outlook for some reason, it can make communicating with employees, clients or suppliers rather difficult in some cases. There are several reasons you may not be able to ...

If the Outlook app is acting up, you can use this guide to troubleshoot and fix most issues. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The ...

Microsoft Office Outlook maintains everything in a data file, also called PST or OST file. It is an offline copy of mailbox data stored on a local PC. In case of issues, you must delete the data file ...