LanguageCSPL
Firefox data
File type: Various data file
A cspl file extension is related to the Mozilla Firefox software.
What is cspl file?
File type category:
Various data file
Date updated: June 27, 2025
The cspl file extension is associated with the Firefox, an internet browsing tool for Microsoft Windows, Apple Mac OS X (macOS), Linux and other platforms developed by Mozilla Corporation.
The cspl file stores some kind of data used by Firefox.
How to open cspl file?
Probably not meant to be accessed by the user.
How to convert cspl file?
Probably cannot be converted to anything else.
Suggested software to open cspl file:
Associated software actions with the cspl file
Software applications that handle other tasks involving cspl files:
Firefox (Microsoft Windows)
Firefox for Mac (Apple macOS / Mac OS X)
Firefox for Linux (Linux/Unix)