Open extra file

extra file icon Did your computer fail to open extra file? We explain what extra files are and recommend software that we know can open your extra files.

What is extra file?

An .extra file extension is related to the Mozilla Firefox a web browser for various platforms. An .extra file stores crash report.

extra file description

The extra file extension is associated with the Mozilla Firefox. File contains information about settings of the Firefox, when the Firefox crashed.

The extra file is in a simple text format and is readable in a text editor.

Firefox uses Google BreakPad, crash reporting software for generating .extra files.

Software that will open extra file


A popular free web browser from Mozilla

Firefox for Linux

Firefox for Linux is popular free web browser

Firefox for Mac

Mac version of the popular web browser


A crash-reporting system

What file extension actually is?

Simply put, file extensions are the characters after the dot in the file name, so for example filename.mp3 has file extension „mp3“. This helps Windows to identify which program should be used to open the file.

We can help you to open your file

Our database contains a huge list of different file extensions, usually with detailed description and programs that can be used to open or otherwise work with that particular file type.

Only original software

Every software listed in our database is verified and ve provide link to the developer or to the software own website, which should hopefuly be enough for you to download the most recent version of the program.