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Basic information about MON file

When there is a problem with opening files with the file extension MON（*.MON or *.mon）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the MON file yourself.

There are 4 file types using the MON file extension in our database. In the further part of this page, you will find detail information about all the MON file with their brief description and a list of programs that support MON file sorted by operating systems. The table below provides useful information about the MON file extension. It answers questions such as:
  • What is the MON file?
  • How to open a MON file?
  • What programs do I need to open a MON file?
  • What programs help to create and edit a MON file?
  • How to convert MON files to another file format?
  • How to convert another files to MON file format?


1.Detail information about MON file extension: Firefox Monday Bookmark Backup

File type Firefox Monday Bookmark Backup Category Backup Files
Developer Mozilla Corporation File format N/A
Description MON file is a Firefox Monday Bookmark Backup developed by Mozilla Corporation. MON filename suffix is mostly used for Firefox Monday Bookmark Backup files. Firefox Monday Bookmark Backup specification was created by Mozilla Corporation. Files with MON extension may be used by programs distributed for Windows platform. Files with MON extension are categorized as Archive Files files. The Archive Files subset comprises 619 various file formats. The software recommended for managing MON files is Mozilla Firefox. Software named Mozilla Firefox was created by Mozilla. In order to find more detailed information on the software and MON files, check the developer’s official website.
Software programs that will open, edit or convert MON files

Windows		 Firefox


2.Detail information about MON file extension: Monopoly Deluxe Game File

File type Monopoly Deluxe Game File Category Game Files
Developer N/A File format N/A
Description MON file is a Monopoly Deluxe Game File.
Software programs that will open, edit or convert MON files


3.Detail information about MON file extension: Maniacs Of Noise Audio File

File type Maniacs Of Noise Audio File Category Audio Files
Developer N/A File format N/A
Description MON file is a Maniacs Of Noise Audio File.
Software programs that will open, edit or convert MON files

Windows		 Amiga Forever


4.Detail information about MON file extension: C64 Picture Image File Format

File type C64 Picture Image File Format Category Raster Image Files
Developer N/A File format N/A
Description MON file is a C64 Picture Image File Format.
Software programs that will open, edit or convert MON files



Can't open a MON file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.MON”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the MON extension without any issue.


Where I can download the application that support MON file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How to change file associations?

  • Right-click a file with the extension whose association you want to change, and then click "Open With".
  • In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
  • Select the ”Always use the selected program to open this kind of file” check box.


Can I change the extension of MON files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a MON file?

The reasons for the lack of the ability to open a MON file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a MON file. If there is still something wrong, you might want to check:

  • Whether the MON file is damaged.
  • Whether the MON file is incorrectly linked in the registry entries.
  • Whether the MON file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the MON file format is incompletely.
  • Whether the MON file is infected.
  • Whether the drivers of the equipment used for opening a MON file are up to date.
  • Whether your computer has enough hardware resources to open a MON file.

If the MON file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.