There are two ways of views multiple calendars in your Outlook local client; Side-by-side or Overlay.
Selecting a view
The view type is selected via View > Arrangement > Overlay
The Side-by-Side view is shown below.
- Click Overlay to view an additional calendar on top of the current.
2. Click on the arrow of each calendar to toggle between side-by-side and overlay views.
3. Clicking on the left pointing arrow above will change the third calendar to overlay view.
