What is a .WEBAPP File And How To Open It – Mozilla

Table of Contents


While downloading files, you might have downloaded a file with the .webapp extension. You most likely know what the file is, but you might be unsure on how to open it. Fear not, in this article we will show you how to easily open the .webapp file in few simple steps on various systems.

What is a .WEBAPP file?

The .WEBAPP file extension is Firefox Web App Manifest File. The developer of this file extension is Mozilla. The format of this file is text, and it is a data related file.

What to know

There is currently 0 software that can open the .webapp file on 0 platforms.


We don’t register any way of opening this file extension at the moment, kindly let us know if you have any information.