KMM File Extension

KMM file icon
K-Meleon Macro Module
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What is KMM file?

KMM is a file extension commonly associated with K-Meleon Macro Module files. K-Meleon defined the K-Meleon Macro Module format standard. KMM file format is compatible with software that can be installed on Windows system platform. KMM file format, along with 140 other file formats, belongs to the Plugin Files category. The most popular software that supports KMM files is K-Meleon. K-Meleon software was developed by, and on its official website you may find more information about KMM files or the K-Meleon software program.

Programs which support KMM file extension

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

Programs that support KMM file

Windows Windows

How to open file with KMM extension?

Being unable to open files with KMM extension can be have various origins. Fortunately, most common problems with KMM files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Get the K-Meleon

The main and most frequent cause precluding users form opening KMM files is that no program that can handle KMM files is installed on user’s system. The solution to this problem is very simple. Download K-Meleon and install it on your device. Above you will find a complete listing of programs that support KMM files, classified according to system platforms for which they are available. One of the most risk-free method of downloading software is using links provided by official distributors. Visit K-Meleon website and download the installer.

Step 2. Check the version of K-Meleon and update if needed

If the problems with opening KMM files still occur even after installing K-Meleon, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of K-Meleon is available. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. This can be one of the causes why KMM files are not compatible with K-Meleon. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using K-Meleon.

Step 3. Set the default application to open KMM files to K-Meleon

If the issue has not been solved in the previous step, you should associate KMM files with latest version of K-Meleon you have installed on your device. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

Selecting the first-choice application in Windows

  • Right-click the KMM file and choose Open with option
  • Click Choose another app and then select More apps option
  • Finally select Look for another app on this PC, point to the folder where K-Meleon is installed, check the Always use this app to open KMM files box and conform your selection by clicking OK button

Selecting the first-choice application in Mac OS

  • By clicking right mouse button on the selected KMM file open the file menu and choose Information
  • Proceed to the Open with section. If its closed, click the title to access available options
  • Select the appropriate software and save your settings by clicking Change all
  • Finally, a This change will be applied to all files with KMM extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Ensure that the KMM file is complete and free of errors

Should the problem still occur after following steps 1-3, check if the KMM file is valid. Problems with opening the file may arise due to various reasons.

1. The KMM may be infected with malware – make sure to scan it with an antivirus tool.

If the KMM is indeed infected, it is possible that the malware is blocking it from opening. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. If the KMM file is indeed infected follow the instructions below.

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

If the KMM 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. If the KMM file has been downloaded from the internet only partially, try to redownload it.

3. Ensure that you have appropriate access rights

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log out of your current account and log in to an account with sufficient access privileges. Then open the K-Meleon Macro Module file.

4. Make sure that the system has sufficient resources to run K-Meleon

The operating systems may note enough free resources to run the application that support KMM files. Close all running programs and try opening the KMM file.

5. Check if you have the latest updates to the operating system and drivers

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with K-Meleon Macro Module files. It may be the case that the KMM files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the KMM 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 KMM file.

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