A daily updated filename extension database!

M3 file extension

The table below provides useful information about the .m3 file extension. It answers questions such as:

  • What is the .m3 file?
  • What program do I need to open a .m3 file?
  • How can the .m3 file be opened, edited or printed?
  • How can I convert .m3 files to another format?

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

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

✅ Modula-3 Source Code

Modula-3 Source Code .m3 file icon
The M3 file is a Modula-3 Source Code. Modula-3 is a modern programming language that supports interfaces, objects, generics, lightweight threads of control, the isolation of unsafe code, garbage collection, exceptions, and subtyping.
M3 format description not yet available
Category: Development files
Application: Modula-3
Mime-type: text/plain
Magic number: -
Magic string: -
Sample: -
M3 aliases:
M3 related links:
M3 related extensions:
C Source Code

Visual Studio Resource Script



Haskell Source With C Hooks

Haskell Source

C To Haskell Interface File

HTL Source

GNU Automake Input File

Microsoft Developer Studio Workspace

✅ Juki AMS Embroidery Data

Juki AMS Embroidery Data .m1 file icon
The M1 file is a Juki AMS Embroidery Data. Juki AMS is a computer controlled cycle machine.
M1 format description not yet available
Category: Data files
Application: Embird
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
M1 aliases:
m2, m3
M1 related links:
M1 related extensions:
Embird Editor File

Embird Cross Stitch Format File

Embird Vector Embroidery Format File

Embird Color Palette Data

Eltac Embroidery Stitch Data

Embird Embroidery Data

Embird Embroidery F14 Data

Embird Embroidery F15 Data

Other types of files may also use the .m3 file extension.

🚫 The .m3 file extension is often given incorrectly!

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

3m, h3, j3, k3, l3, me, mr, mw, n3

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Readme Document
Multi-Edit Configuration
Kodak EasyShare Thumbnail Cache
MacWrite Text Document
Advent 3B2 Macro
Mapped Read Format Data
Maple Standard Worksheet
Wii U Hash Data
Notation3 Document
jBASE J3 Data

🔴 Can't open a .m3 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 .m3 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 .m3 file extension, write to us!

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
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