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 ...

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 ...

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 ...

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

Microsoft Outlook is a popular email client to manage personal and professional information. When you configure a POP/POP3 email account in Microsoft Outlook, the client downloads and stores all the ...

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 ...

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 ...