- File extension "newsletter"
- File extension "neo"
- File extension "nec"
- File extension "nai"
- File extension "n52"
- File extension "mv4"
- File extension "mv2"
- File extension "mt"
- File extension "msq"
- File extension "ms10"
- File extension "mrr"
- File extension "mr0"
- File extension "mr"
- File extension "mph"
- File extension "mpg2"
- File extension "mnr"
- File extension "mmg"
- File extension "mli"
- File extension "mjg"
- File extension "mj"
- File extension "mhx"
- File extension "mh"
- File extension "mff"
- File extension "me3"
- File extension "md2"
- File extension "marc"
- File extension "maki"
- File extension "mailabview"
- File extension "macro"
- File extension "ma3"