You can use the Outlook Bar to navigate through all your folders and files, not just e-mail folders. To open any file or folder stored on your computer using Outlook 2000 instead of Windows Explorer, follow these steps:

In the Outlook Bar on the far left side of your screen, click Other Shortcuts, and then click either the My Computer icon or the My Documents icon, depending on where you want to look at files.

If the Outlook Bar is not visible, choose View, Outlook Bar.
Double-click the folder in the Folder List on the left side of your computer screen.

If the Folder List is not visible, choose View, Folder List.
Outlook opens that folder and displays the contents (which can be more folders or files) in a list on the right side of your screen.
Continue clicking on folder icons until you find the file you want.

Each time you click a folder, Outlook displays its contents in the area to the right.
Double-click the file to open it.