MAFF File Extension
Mozilla Archive Format
- File Type maff
- Developer Mozilla
- Popularity
- Application Firefox
- Category Compressed Files
- Format Zip
What is a MAFF file?
Files with the MAFF extension are specifically tied to Mozilla Archive Format, a Compressed Files type, and there are 820 files in this category.
Mozilla, the developer of the Mozilla Archive Format (MAFF), has released file format and 4 programs designed to handle them.
MAFF files are compatible with various operating systems, including Linux, Windows and Mac OS. There are 2 programs available to open a MAFF file, including popular tools like Firefox and Seamonkey.
MIME types
- application/x-maff
Programs that support MAFF files
How to open a MAFF file?
If you are having trouble opening a MAFF file, it usually means the right software is not installed. Choose a program from the list that matches your operating system. Next, visit the official website of the developer, download the software, and install it on your device.
Firefox and Seamonkey are among the most widely used programs for handling MAFF files. To set up the newest version of Firefox on your device, simply go to the official Mozilla website. There you can download the edition compatible with every operating system.
Once setup is done, your operating system should assign Firefox as the default app for MAFF files.
Set Firefox as the default MAFF program
Change Default Program on Mac
- Right click or Control + left click on the desired MAFF file;
- Choose "Open in Application" and click "Other";
- Scroll down to the bottom of the window, where you will find the "Enable" menu. Default, "Recommended Programs" will be selected;
- In this menu, choose "All Programs" and navigate to Firefox. Check the box next to "Always open in app" to make it the default program.
Change default programs in Windows
- To get started, right-click your MAFF file, then choose "Open With" and select "Choose Another Application" from the context menu;
- In the pop-up window, select the Firefox application;
- Check the "Always use this application" checkbox, and then click "OK" to apply the selected application as the default for opening MAFF files.
Solve problems with MAFF files
If you encounter issues with MAFF files, don’t worry—most can be fixed with minor software adjustments. Refer to the troubleshooting tips below.
What are the steps to repair a damaged MAFF file?
Start a data recovery program and open the damaged MAFF file. Then, choose the "Repair" option from the menu. Please wait patiently for the recovery process to finish as it will automatically repair the damaged compressed files.
How can I determine if my MAFF file is damaged?
The signs of corrupted MAFF compressed files can manifest as:
- Trying to work with the archive in Firefox or other programs causes instability or program crashes;
- Error notifications appear during file manipulation;
- The file does not open correctly or displays error messages;
- An unexplained increase in the size of the MAFF file;
- The file shows slow performance when edited in Firefox;
What are the reasons behind Firefox crash?
Insufficient software updates are a likely cause of Firefox crashes. Be sure to install the latest updates for Mozilla products.
Restarting your computer will solve many common problems, which is why it’s the first thing you should do before changing any settings related to the software.
How to edit a MAFF file?
To modify MAFF files, it is necessary to install dedicated software that lets you open and edit compressed files. Online MAFF editors generally offer fewer tools compared to programs designed for Mozilla Archive Format.
Best MAFF editors 2026
Following these criteria, we have put together a list of recommended MAFF editors.