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 ...

Outlook is an email and calendar software available as a part of the Microsoft Office suite. It allows you to send and receive email messages and track your task. It uses an OST file which is the ...

Several Outlook users, on different forums, have reported encountering the error “OST file cannot be opened,” when trying to open the application or sending ...

I am running Vista 64-Bit SP2 RC and Outlook 2007 on a HP Pavillion laptop (about 4 months old).<BR><BR>Almost all of my email attachments, specifically PDF and JPG files are not able to be opened.