you must have the ‘Courses’ block showing on your Moodle site [main page] for it to work
If you plan to use the Add-in, do check out Mark’s blog post: http://www.markdrechsler.com/?p=158.
The full review is very well done and worth the read. Check it out (and his other posts) for a lot of handy Moodle tips and tricks.
- A closer look at the Office Add-in for Moodle: http://www.moodlemonthly.com/2010/oam/
- The Add-in website: http://www.educationlabs.com/projects/officeaddinformoodle/Pages/default.aspx