.XPI File Overview

File Extension:	XPI
File Type Description:	Mozilla Installer Package
File Type Developer:	Mozilla
Primary Associated Software:	Mozilla Firefox
Primary Software Developer:	Mozilla

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XPI

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What is File Extension XPI?

Mozilla developed the XPI file extension, also know as a Mozilla Installer Package file, for the Mozilla Thunderbird software package. Internal website statistics show that XPI files are most popular with users in United States and those running the Windows 10 operating system. Statisically, these users are most likely running the Google Chrome internet browser.

Associated Developers and Software

	Mozilla Firefox by Mozilla
	Mozilla Thunderbird by Mozilla

Top XPI User Languages

Top XPI File User Browsers

Desktop Friendly?

Mobile Friendly?

Top User Operating Systems


Windows 10	Windows 11	Windows 6	Windows 8.1

Associated Operating Systems

	Windows
	Mac
	iOS
	Android
	Linux

Other File Types Related to XPI Files

Extension	File Type Developer	File Category	File Type Description
.BAK	Various Developers	Backup Files	General Backup File
.SDL	Microsoft Corporation	Developer Files	Service Description Language File
.DLL	Microsoft Corporation	System Files	Dynamic Link Library
.EXTRA	Google	Uncommon Files	Google BreakPad Crash Log Extra File
.VBD	Microsoft Corporation	Web Files	Visual Basic ActiveX Document
.WOFF	Open Source	Font Files	Web Open Font Format File
.PART	Mozilla	Uncommon Files	Partially Downloaded File
.WML	Syncro Soft	Web Files	Wireless Markup Language File
.JA	Trainz portal	Game Files	Jet Archive
.SESSION	Dassault Systèmes	3D Image Files	CATIA 4 Session File