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 ...

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

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 ...

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 ...