In Outlook, it is possible to add various religious and state holidays into your calendar. This is different from adding University of Windsor statutory holidays and academic dates calendar feed, which is described in this article:
To add holidays directly to your Outlook calendar, follow these instructions:
1. Click "File" tab
2. Click "Options"
3. Click "Calendar"
4. click "Add Holidays" button
You will be presented with a list of various state and religious holidays. Make your selection and click OK to proceed. You may select multiple sets of holidays to be imported at once.