If you would like to globally change the default View for an entity within CRM, perform the following steps from the CRM Web Client logged on as someone who has at least the System Customizer role:

1. Select Settings, Customization.
2. Edit the Entity you wish to change.
3. Select the Forms and Views page.
4. Click once on the View you wish to make the Default.
5. Click the More Actions button.
6. Click Set Default.
7. Click save and close
8. Click Publish.
9. Navigate back to a CRM area where that entity is visible.
10. Click on the Entity to show its contents.
11. Verify that the View: is what you just selected in step 4.

That's it.