Call me stupid but I cant figure out how to use an export. I downloaded a file it came in a .zip file with an .mte extension but I dont know what to do with it to use it. I treid to place it in the export folder but nothing shows up in the when I go to File -> Export window? I see there is a way to create an export but I dont know how to do this either. There are some exports already there but I cant find where these are located either. 
Thanks Dano,
I was putting the files in the export folder for Mp3 Tag at "C:\Program Files\Mp3tag\exports 