MAKEMSI supplies two explorer extensions for building MSI files (for development and production modes). If you right click on an ".MM" file these options will be on the context menu, choose the one you wish, as shown:
Note that you can also build or edit MSI files from a command line (or make file etc). This allows the building to be automated, for example in overnight builds.
|Missing Options or File Icons Wrong?|
Note that if you have just installed MAKEMSI and you don't appear to be getting these facilities then you either chose not to install them or you need to shutdown and restart the computer.
The expected icons for files are (the following may not display correctly unless using IE):
If you don't see the above icons then you will probably need to fix your associations, this is accessed via the "File Types" tab in Explorer's "Folder Options", in the following picture you would need to press "restore":