.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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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 Thunderbird by Mozilla
	Mozilla Firefox 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
.IHTML	Mozilla	Web Files	Inline HyperText Markup Language File
.SESSION	Dassault Systèmes	3D Image Files	CATIA 4 Session File
.JHTML	Oracle Corporation	Web Files	Java HTML Web Page
.VBD	Microsoft Corporation	Web Files	Visual Basic ActiveX Document
.JA	Trainz portal	Game Files	Jet Archive
.BCI	Belarc	Data Files	Belarc Advisor Report File
.ASPX	Microsoft Corporation	Web Files	Active Server Page Extended ASP.NET Script
.DUMP	Microsoft Corporation	System Files	Dump File
.HTMLS	Open Source	Web Files	HTML With Server-Side Include
.JP2	Joint Photographic Experts Group	Raster Image Files	JPEG 2000 Core Image File