Open extra file
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.