MMM file icon

MMM File Extension

MultiMedia Movie Format (RIFF RMMP)
  • Developer
    Microsoft Corporation
  • Category
  • Popularity
    3.2 (5 votes)

What is MMM file?

MMM filename suffix is mostly used for MultiMedia Movie Format (RIFF RMMP) files. MultiMedia Movie Format (RIFF RMMP) specification was created by Microsoft Corporation. MMM files are supported by software applications available for devices running Windows. Files with MMM extension are categorized as Video Files files. The Video Files subset comprises 546 various file formats. Adobe Director supports MMM files and is the most frequently used program to handle such files, yet 1 other tools may also be used. Adobe Director software was developed by Adobe Systems Incorporated, and on its official website you may find more information about MMM files or the Adobe Director software program.

Programs which support MMM file extension

Below is a table that list programs that support MMM files. MMM files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Programs that support MMM file

How to open file with MMM extension?

Being unable to open files with MMM extension can be have various origins. Fortunately, most common problems with MMM files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The list below will guide you through the process of addressing the encountered problem.

Step 1. Get the Adobe Director

Install software to open MMM file The main and most frequent cause precluding users form opening MMM files is that no program that can handle MMM files is installed on user’s system. This one is an easy one. Select Adobe Director or one of the recommended programs (for example, Windows 3.x) and download it from appropriate source and install on your system. Above you will find a complete listing of programs that support MMM files, classified according to system platforms for which they are available. The safest method of downloading Adobe Director installed is by going to developer’s website (Adobe Systems Incorporated) and downloading the software using provided links.

Step 2. Verify the you have the latest version of Adobe Director

Update software that support file extension MMMIf the problems with opening MMM files still occur even after installing Adobe Director, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of Adobe Director is available. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. If you have an older version of Adobe Director installed, it may not support MMM format. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using Adobe Director.

Step 3. Assign Adobe Director to MMM files

If the issue has not been solved in the previous step, you should associate MMM files with latest version of Adobe Director you have installed on your device. The next step should pose no problems. The procedure is straightforward and largely system-independent

Associate software with MMM file on Windows

The procedure to change the default program in Windows

  • Clicking the MMM with right mouse button will bring a menu from which you should select the Open with option
  • Select Choose another app → More apps
  • Finally select Look for another app on this PC, point to the folder where Adobe Director is installed, check the Always use this app to open MMM files box and conform your selection by clicking OK button
Associate software with MMM file on Mac

The procedure to change the default program in Mac OS

  • By clicking right mouse button on the selected MMM file open the file menu and choose Information
  • Find the Open with option – click the title if its hidden
  • Select the appropriate software and save your settings by clicking Change all
  • A message window should appear informing that This change will be applied to all files with MMM extension. By clicking Continue you confirm your selection.

Step 4. Check the MMM for errors

Should the problem still occur after following steps 1-3, check if the MMM file is valid. Being unable to access the file can be related to various issues.

Check MMM file for viruses
1. The MMM may be infected with malware – make sure to scan it with an antivirus tool.

Should it happed that the MMM is infected with a virus, this may be that cause that prevents you from accessing it. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. If the scanner detected that the MMM file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Ensure the file with MMM extension is complete and error-free

If the MMM file was sent to you by someone else, ask this person to resend the file to you. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. It could happen the the download process of file with MMM extension was interrupted and the file data is defective. Download the file again from the same source.

3. Verify whether your account has administrative rights

Some files require elevated access rights to open them. Switch to an account that has required privileges and try opening the MultiMedia Movie Format (RIFF RMMP) file again.

4. Make sure that the system has sufficient resources to run Adobe Director

If the systems has insufficient resources to open MMM files, try closing all currently running applications and try again.

5. Verify that your operating system and drivers are up to date

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with MultiMedia Movie Format (RIFF RMMP) files. It is possible that one of the available system or driver updates may solve the problems with MMM files affecting older versions of given software.

Do you want to help?

If you have additional information about the MMM file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on MMM file.

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