File Extension Library


.JMM File Extension

  • Category: Digital video and movie Files

What is an .JMM file?

.JMM file extension has been classified as Digital video and movie Files.

.JMM is JVC recorded multimedia data

The jmm file extension is associated with the digital cameras and digital video recorders developed by Japanese company JVC.

The jmm file stores video or multimedia data captured by JVC devices.

The JMM file format seems to be obsolete.

.JMM file format is deprecated and this file format is no longer supported.

Currently, .JMM file type is not actively used and is obsolete. This usually happens with system files in older operating systems, files from long-discontinued software, or with previous versions of some file types (documents, projects, images, etc.) that were replaced in later versions of the original programs.


How to open:

Use JVC MultiMedia Navigator to open .jmm multimedia files.

How to convert:

Possibly can be converted like any other multimedia formats.

How to Open .JMM file on different platforms

Open .JMM File on Windows

  • Right-click a .JMM
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .JMM file and Select check box "Always use this app to open .JMM files" Press "Ok"

Open .JMM File on Mac

  • Right-click (or Ctrl + Left-click) the .JMM file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .JMM File on Linux

Right click on the .JMM file, choose "Open with" and select a program from the list above

Open .JMM File on iPhone

Select a file. If you don't see an application to open the .JMM file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .JMM File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .JMM files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .JMM files

  1. You need to update the application that you normally use to open .JMM files. Only the latest version of the software supports the current .JMM file format
  2. You need to check the .JMM file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)