File Extension Database

Open MMF File

The MMF file extension is associated with the SMAF file extension, or Synthetic Music Mobile Application Format. These files are known for their close association with mobile phones and the ringtones they play. Yamaha first developed the SMAF tools for sound files to provide exclusive ringtones for mobile phones. However, the format has been adapted and can now contain information related to text and graphics.

The MMF and SMAF nomenclatures should not be confused. The difference between the two is that MMF represents the name of the file extension, while SMAF represents the name of the file. An MMF file is similar to the MIDI type, but it includes sound and graphics into the playing of the file.

How Can I Open MMF File on Windows

We researched and learned that the best way to open MMF file is to find a MMF file in question in Windows OS File Explorer and double click on it to launch the corresponding application.
If a MMF file is not opened in an application and you instead get a "Windows can't open a file" error message you should try looking for an application which can open the file in question.
If you know the application which can open MMF file then run it and see if there is a File->Open main menu option in the application.
If you don't know the application which function as MMF file opener then try to search online for "MMF viewer", "application to open MMF file" or "open MMF file" queries in the search engine you like.
Install the application you found and check if it can open MMF file

How Can I Open MMF File on Mac OS

We recommend to find a MMF file in question in Mac OS Finder and double click on it to launch the corresponding application.
If a MMF file is not opened in a Mac OS application and you instead get a "There is no application set to open the file" error message you can click on "Search App Store" in the error dialog and Mac OS will show you applications compatible with MMF file.
If you know the Mac OS application which can work as MMF file opener you can choose the "Choose Application..." option in the error box to associate the file extension and open MMF file in it.
If you don't know the application which can open MMF file then try to search for "MMF viewer", "application to open MMF file" or "read MMF file" queries in the online search engine you like.
Install the application you found and check if it can read MMF file

How Can I Open MMF File on Android

If you downloaded a MMF file on Android device you can open it by following steps below:

In the Android apps list on your Android device find "My Files" or "File manager" app and tap to start it.
Tap on "Downloads" folder inside the app.
You should see your downloaded MMF file in that folder.
Tap on the file. If Android device supports opening the file you downloaded it will open in the corresponding app.
If file does not open you can look for the corresponding app that can open the file by searching Android App Store for the "MMF".
If you cannot open the file with the apps from Android App Store it is possible that the file could only be opened on desktop platforms such as Windows or Mac OS. Try searching for "MMF viewer", "MMF file reader" online and see if any desktop applications can open it.
It is also possible that the file you downloaded is outdated and is no longer supported.

How to Open MMF File on iPhone or iPad

To open MMF File on iOS device follow steps below:

We advies to open Files app on your iPhone or iPad device. You can find it by swiping down on the home screen and typing "Files" in the search bar.
Tap on the Downloads folder on the Files app home screen.
You will see all files that you recently downloaded. Tap on the MMF file to view it.
If you have the right app that can open it it will automatically launch and open your file.
If you don't have the app which can open it you need to serch Apple app store for "MMF". This way you can find apps which can open MMF files.
If this doesn't help it is possible that your file could be opened only by the desktop application. To find an app which can open it on desktop look for "MMF viewer" or "MMF file" online in your favorite search engine.