The the Outlook PST file or Personal STorage file can easily grow to an extreme size. Here’s a 4-step plan to managing that size and getting it back under control.
Microsoft Office Outlook – the full featured desktop email program.
Copying messages out of Outlook is easy – as long as you’re willing to live with the restrictions that Outlook places on what you can do with those messages later.
Outlook’s PST or Personal STore is a single file that holds your email, contacts, and more. You can use Outlook itself to find the location of the file.