Q. Why won't Word let me edit/save a document?
If you are unable to edit or save a document in Word , you will need to Quit the application and also possibly restart your computer. Generally Word experiences failures and lagging as it uses a large quantity of RAM. Quitting and reopening Word will fix the majority of issues associated with the application. If there are still issues with Word once you have quit and reopened it, try Restarting your computer.