You can back up your Outlook contacts in a comma separated value file (CSV), or a PST file. PST files can also store emails, calendars and tasks. Even if you backed up your entire email account in a ...

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 ...

When I did a fresh install of XP, I installed Outlook, and then imported a .pst file from my old computer. I had copied the file, labled backup.pst, into my "my documents" folder, and then imported ...