Step One: Go to File then Open & Export and then Select Import/Export
Step Two: Choose Export to a file
Step Three: Select "Outlook Data File" and then select "Next"
The format of the file will be in ".pst"
Step Four: Now you will choose the account you want to back-up/archive (more often than not, this will be your CWU account). Choose "Include subfolders" in order to include calendars, contacts, tasks and notes.
Step Five: Click "Next"
It will ask you to browse for a location in order to save your archived/back-up materials. You may select any place on your computer to save it.
If the export file already exists from a previous save, you may choose Options in order to manage the new save and the information in the old one.
Step Six: Finally, Click Finish
It may ask you to create a password to access your files. Simply create a password and follow the steps it prompts you along.