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NMM file extension

The table below provides useful information about the .nmm file extension. It answers questions such as:

  • What is the .nmm file?
  • What program do I need to open a .nmm file?
  • How can the .nmm file be opened, edited or printed?
  • How can I convert .nmm files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ Nightmare Module

NMM file is a Nightmare Module. Nightmare is a basic hacking tool used to hack “Gameboy Advance backup roms. The Gameboy Advance is a 32-bit handheld video game console developed, manufactured and marketed by Nintendo.
NMM format description not yet available
Category: Data files
Application: Nightmare
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
NMM aliases:
NMM related links:
NMM related extensions:

Other types of files may also use the .nmm file extension.

🚫 The .nmm file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

bmm, gmm, hmm, jmm, mm, mmm, mnm, nhm, nkm, nlm, nm, nmk, nml, nnm

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Global Mobile Media
HP OpenView Network Node Manager Configuration
Bleeper Music Maker Music
Nokia LogoManager Bitmap
Macromind Multimedia Movie
RM Number Magic Document
MiraMon Map File
NMake Makefile
Autodesk Character Studio Marker Name

🔴 Can't open a .nmm file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .nmm file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .nmm file extension, write to us!

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