Massimo Manca

Hi all, does exist a way to open a .mm file in read only mode? I want to have a way to open it without having the possibility to modify the contents. The idea is to use a .mm to manage the documentation of a project so that I can not modify it for a mistake. A solution may be also something as a html file but working locally, I tried to export the .mm in the available formats but I did not find a working solution.