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 ...

Some users have reported that when they open MS Outlook, they receive an error message that Outlook is using an old copy of your Outlook data file (.ost). For some ...

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 ...

I have a customer with a Small Business Server 2008 based network. The majority of the users are on Outlook 2007, some are on 2010. Recently people are running into strange issues where they are ...

You can do plenty of things on Outlook, including some you probably didn’t even know about. But every user will encounter the most common Outlook problems sooner or later since no app is perfect. The ...