Microsoft Outlook categorizes Outlook Data Files into two types: PST and OST files. PST files contain data stored in your personal folders, whereas OST files contain data downloaded off your Exchange ...

If you open MS Outlook and see an error message, Outlook is using an old copy of your Outlook data file (.ost), then use ...

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

The Microsoft Outlook program, which is a part of the Microsoft Office software suite, stores email data in archive files with .pst extensions. When you set up an email account in Outlook for 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 ...

For many professionals, Microsoft Outlook is the center of their workflow. That being the case, it’s important to make sure that the application’s files — your emails records, contacts, and calendars ...

Whether you have emails you want to make sure to hang onto because you’re getting a new computer or you're troubleshooting a problem, you can create a backup in Microsoft Outlook. By exporting your ...

If you are someone who has encountered the frustrating experience of lost mailbox data due to PST file corruption, you know how inconvenient and frustrating this can be. It can disrupt your workflow ...

Not really a new issue, but one worth noting: Eric Strauss writes: "I sent myself a Microsoft Word document as an attachment (to get it from my office to my home) using Outlook Express 5.0.2. I double ...

A friend of Russ and Sheila Stevens needs to access his late father’s Outlook Express messages—tricky since Outlook Express is no longer available. My answer covers more than Outlook Express. Keeping ...