Once the Data.bar file is opened in the Resource Manager we will use the Extract function and your window should look something like this: Note: For adding most new units you will also need to reference them in the protoy file as well, but in our case with the musketeer, it’s already under the barracks section there as you can see: So, for my mod I needed to get the file, which is located in the Data.bar file, which in turn is in the:Īlternatively you can directly go to that location to find the file, then right click, open with and then find the Resource Manager from the list, but that’s up to you. Moving on, when you unpackage it with whatever application you want, I personally use 7zip, you can start up the Resource Manager.exe and you will be greeted by the following window:

For the purpose of this guide I will be using my mod as an example of how and what I’ve done exactly, you can also find and download my mod to see it’s files and what I’ve done for yourself here as well:

Age of empires 3 save game location