.SESSION File Extension
File Type 1CATIA 4 Session File
What is a SESSION file?
Session file created by CATIA version 4, a program used for 3D product design and simulation; contains references to .MODEL files or copies of MODEL files, depending on the save option selected; used to save models from a work session.
File Type 2Mozilla Firefox Session File
.SESSION File Association 2
Session file created by Session Manager, a Mozilla Firefox and Seamonkey extension; contains browser sessions that are comprised of data describing a current state of Firefox such as history, text data, and cookies.
Session Manager automatically, or at the user's command, saves and restores the state of Firefox windows at startup and after crashes. The resulting SESSION files make it possible to easily save and restore data across Mozilla Firefox sessions.
NOTE: SESSION files always start with the string "[SessionManager v2]".