A daily updated filename extension database!

MML file extension

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

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

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

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

✅ Media Catalog MML File

MML file is a Media Catalog MML File.
MML format description not yet available
Category: Data files
Application: Microsoft Office (XP)
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
MML aliases:
MML related links:
MML related extensions:
Microsoft Office Clip Organizer Catalog

Microsoft ClipArt Gallery Catalog

Media Catalog MGC File

Microsoft ClipArt Gallery Database

Microsoft Office ClipArt Data

Microsoft ClipArt Gallery for Mac Data

✅ Mathematical Markup Language Document

MML file is a Mathematical Markup Language document. MathML is a W3C markup language for mathematics, it is an application of XML for describing mathematical notations and capturing both its structure and content.
Category: Document files
Application: Mozilla Firefox
Mime-type: text/mathml
Magic number: -
Magic string: -
MML aliases:
MML related links:
MML related extensions:
Hypertext Markup Language Document

Extensible Markup Language File

MathType Translator Definition Language

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

🔄 .mml converters

The following softwares are capable of converting .mml files to other formats:


For example, using the softwares above, a .mml file can be converted into one of the following formats:

xlsb, dotm, odt, oth, emf, jpg, pot, ods, svm, wks, potx, odf, potm, doc, xltx

🚫 The .mml file extension is often given incorrectly!

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

hml, jml, kml, lml, mhl, mkl, ml, mll, mlm, mm, mm1, mmi, mmk, mmm, mmo

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Matrix Market File
FreeMind MindMap
LMMS Project
MindManager 2002 Map Document
Master Album Maker Project
Media Hash List
HostMonitor TestList Data
Thinkfree Office NEO XML Document
Memory-Map Overlay File
WinDev HyperFileSQL Memo File

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

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