What is Compatibility mode?
Microsoft Internet Explorer has a compatibility mode that allows it to work better with old websites. To do this some common features of modern browsers are disabled. The Rocketspark CMS requires these modern features to provide the best website editing experience.
Step1, Turning off Compatibility mode
Turn on the command bar if it is not visibleRight click on top of your browser window and turn on the Command bar.
For Internet Explorer version 9 & 10:
Go to tools and click Compatibility View to make sure it is un-ticked.
For Internet Explorer version 11:
Go to Tools -> Compatibility view settings.
Remove your website address from the list.. Select the website and click remove.
Make sure the “Display intranet sites in Compatibility View” is un-ticked.