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 ...

Microsoft Outlook may store your Personal Folder files, or PST files, in one of several different locations, depending on which versions of Outlook and Windows you use. It gets even more complicated ...

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 ...

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

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 ...

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 ...

There could be many possible reasons that could lead to attachment issues in Outlook. This includes incorrect Outlook settings, file incompatibility, incorrect mail format, etc. Try resetting Outlook ...

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 ...

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 ...