To add a grid view calendar, follow these steps:
  1. Go to onMessage > Website, and select the website. 
  2. Locate the Calendar landing page
  3. In the tools menu for the page, click Edit Page Layout.
  4. Scroll down to where the Event List is in the layout.
  5. Click the "Grid View" button just above the Event List.
  6. In the Grid View, add a new row.
  7. Drag and drop the Calendar Grid from the types on the left to the new row you added to the layout.
  8. Apply your changes.