File Extension Library

.SESSION File Extension

  • Developer by: Dassault Systemes
  • Category: 3D Image Files
  • Format: Binary

What are .SESSION files and how to open them?

Can't open .SESSION file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .SESSION file.

What is a .SESSION file extension?

.SESSION file extension is created by Dassault Systemes. .SESSION has been classified as 3D Image Files. The format of .SESSION file is Binary.

.SESSION is CATIA 4 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.

List of all softwares that can open the CATIA 4 Session File
Dassault Systemes CATIA
Okino Computer Graphics PolyTrans
Adobe Acrobat DC
Adobe Acrobat DC
File Type 2 Mozilla Firefox Session File
Developer by: Zeniko Category: Text Files

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]".

List of all softwares that can open the Mozilla Firefox Session File
Mozilla Firefox
Session Manager

How to fix problems with .SESSION files

  1. You need to update the application that you normally use to open .SESSION files. Only the latest version of the software supports the current .SESSION file format
  2. You need to check the .SESSION file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)