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Mozilla Firefox crash report
File type: Text file
An .extra file extension is related to the Mozilla Firefox a web browser for various platforms. An .extra file stores crash report.
File type category:
Text file
Date updated: June 27, 2025
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.
Use text editor to view content of the *.extra crash report file.
Rename *.extra extension to *.txt and you will be able to open extra file in any text editor and transform it to any other text formats.
Software applications that can open extra files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Software applications that can edit extra files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Software capable of saving extra files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Software apps that create extra files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Multiplatform
Software applications that handle other tasks involving extra files:
Multiplatform
Language
