What is a .SESSION File And How To Open It – Zeniko (Visual Guide)

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Have you downloaded a file with .session extension, but you are not sure what it is? Perhaps you know what the file is, but you simply don’t know how to open it. Thanks to this easy guide you will be able to find out what .session file extension is, how to open it and how to work with it.

What is a .SESSION file?

The .SESSION file extension comes from Mozilla Firefox Session File. The development of this file was done by Zeniko. The file is a text related file.

What to know

There is currently 1 software that can open the .session file on 1 platform.

How to open a .SESSION file?

Below we will show you a step-by-step guide on how to open the .SESSION file on various operating systems.

How to open a .SESSION file in the Browser

The currently known web apps that can open this file are: Mozilla Firefox. Just right click on the file and choose “Open With” on your OS.

Still cannot open the .SESSION file?

If you cannot open the .SESSION file, it is entirely possible that you are trying to open the wrong file. The .SESSION file extension is similar to other file extensions such as: .session – Dassault Systemes. You might be trying to open the wrong file, please recheck if you are trying to open the right file extension again.


In this article you have learned how to open the .SESSION file with the Mozilla Firefox program in the Browser.