Have a Fix for the slow loading structures in Equation Editor for us Math & Science teachers that have had previously installed Mathtype
Even uninstalling and reinstalling Office 365 does not work to fix this issue. Your uninstall program "office scrub" does not clean everything, evidently.
Oddly, switching the printer in the word document to "Print to fax" makes the structures load quicker. But, I don't want to change that and then change it back to my printer every time.