Opening an MML File

The MML file type is primarily associated with FrameMaker.

MML	File extension: MML
	File type:	markup file

What is an MML file

MML files mostly belong to FrameMaker by Adobe. MML stands for Maker Markup Language File. It is associated with the FrameMaker software developed by Adobe.

Main Use: Adobe FrameMaker software is used for the processing and publishing of huge, complex structured documents. MML files are used by the Adobe FrameMaker program to store formatting instructions regarding page layout, graphics, text, and other page properties, related to a FrameMaker document. These MML file features can be embedded into an existing FrameMaker document or they can also be used to create a new page layout for an upcoming FrameMaker document. The data in a MML file is saved in the ASCII text format.
Other Uses: MML files are also used as data files in the MyMailList & AddressBook application developed by Avanquest Software. MyMailList & AddressBook application is used to organize information about multiple personal contacts, such as name, address, and profession. The program uses MML files to store personal contact data in a spreadsheet format which can later be saved as a digital or hard copy. MML code files are also used as Mobile Markup Language data files to store XML data used by mobile gadgets and their applications. MML file extension is also used as a Marathon Markup Language code file for configuring certain sections of the Aleph One Marathon engine.

How can I open an MML file?

You need a suitable software like FrameMaker to open an MML file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your MML file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a MML file directly in the browser:. Just drag the file onto this browser window and drop it.

Online MML File Viewer

Choose your .mml file to view

or drag and drop it here

Online File Viewer

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How to convert MML files to PDF, HTML, DOCX, JPG, ...

If you want to convert or edit an MML file, you can use our free Online MML File Converter (powered by Convert.Guru):

To do this, click the button "Choose your .mml file to view" on this page.
Your MML file will then be displayed in the browser.
Now click on "Save as..." at the top of the page.
Select the office format (e.g. PDF, DOCX, XLSX, PPTX, ODF, HTML, JPG, ...) you want.
Your file will be converted and downloaded.

Programs that open and convert MML files:

FrameMaker by Adobe
See the previous paragraphs to learn more about the main application. MML files are often referred to as FrameMaker page layouts because this type of file is primarily created or used by this software.
Aleph One (Marathon Markup Language file) by Marathon Open Source
Aleph One is an open-source descendant of Bungie's Marathon 2 first-person 3D shooting game. Aleph One plays Marathon 2, Infinity, and 3rd-party content on a wide array of platforms, with optional OpenGL rendering, Internet play, Lua scripting, and more. MML files contain Marathon Markup Language code used to configure the Marathon Engine used by Aleph One. This file format is classified as Simple text file. Related links: Wikipedia page, Github Repository
LibreOffice (Math Markup Language file) by The Document Foundation
LibreOffice is an open-source software suite developed by The Document Foundation for creating and editing word documents, presentations, spreadsheets, and a variety of other formats. MML files are Mathematical Markup Language files used to store the contents and structure of mathematics. This file format is classified as Simple text file. Related links: Specification, Wikipedia page
Mail Server (Meta Mail Language source code file) by Gordano
Gordano Mail Server is a set of email hosting applications. Gordano offers multiple email hosting solutions, such as on-premise and cloud based email. These mail servers support the Gordano Meta Mail Language, a scripting language with the ability to change the contents of an email, similar to Javascript for web pages. These Meta Mail Language scripts are stored as MML files. This file format is classified as Developer. Related links: What is Meta Mail Language, Getting started guide
MolMol (molecule description file) by ETH Zürich
MolMol is an open-source project developed for displaying, analyzing, and manipulating 3D molecular structures. The program uses MML files to store descriptions of molecules. This file format is classified as Simple text file. Related links: Science Direct article, Reference manual
MyMailList (contacts file) by Avanquest Software
MyMailList by Avanquest Software is a program used to manage personal mail contacts. The program stored contacts as a spreadsheet in MML files. This file format is classified as Spreadsheet. Related links: About
Office 365 (media catalogue information file) by Microsoft
Microsoft Office 365 is a software suite for creating and editting a variety of document formats, such as a word document, powerpoint presentation, or spreadsheet. Office 365 uses MML files to save media catalogue information related to clip art use by the program. This file format is classified as Data. Related links: Setup, Support, Wikipedia page
OpenOffice (Math Markup Language file) by Apache
OpenOffice is an open-source software suite developed by Apache for creating and editing word documents, presentations, spreadsheets, and a variety of other formats. MML files are Mathematical Markup Language files used to store the contents and structure of mathematics. This file format is classified as Simple text file. Related links: Specification, Wikipedia page

Technical Data for MML File Extension

File classification:

Page Layout

Related files:

ms2mml, fsif, bcf, eml, zip, bk, mif, book

Related links:

Wikipedia page, Release video

Mime type:

text/plain, application/mathml+xml, application/mathml-content+xml

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: MediaCatalogMML, FileType: Media Catalog File

ProgramID: MyMailList.Document
EXEFile: %ProgramFiles%\PROVEN~1\MAILLI~1\MailList.exe %1

ProgramID: MyMailList.Document
EXEFile: %ProgramFiles%\MYSOFT~1\ADDRES~1\MailList.exe %1

ProgramID: MyMailList.Document
EXEFile: %ProgramFiles%\MYMAIL~1\MailList.exe

ProgramID: Amaya
EXEFile: %ProgramFiles%\Amaya\WindowsWX\bin\amaya.exe

Show all 5 listings To Top

an mml markup file is a special file format by Adobe and should only be edited and saved with the appropriate software.

How to solve problems with MML files

Associate the MML file extension with the correct application.
Update your software that should actually open markup files. Because only the current version supports the latest MML file format. Search, therefore, e.g. on the Adobe manufacturer website after an available FrameMaker update.
To make sure that your MML file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .MML file online - secure, fast, and no downloads needed.