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 ...

I have office 2007 installed, Vista Home. I can open my outlook fine but when I try to open any email then the Outlook stop working, it does not respond anymore. I have to close it using the task ...

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 ...

Damaged data files could be one of the main reasons why you get the error message saying “Cannot Expand the Folder; Not Enough Memory”. There are two types of ...

Editor’s note on March 18, 2019: This Outlook article was first published in September 2013. Since then, we have added a video tutorial, updated steps in the Rebuild section, and updated the related ...