.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 China 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
.JFIF	Unknown Developer	Raster Image Files	JPEG File Interchange Format
.ICS	IronCAD, LLC	CAD Files	IronCAD 3D CAD Drawing File
.JPG2	Joint Photographic Experts Group	Raster Image Files	JPEG 2000 Image
.QF	Nokia	Settings Files	Nokia (Ovi) Maps Version Data
.PART	Mozilla	Uncommon Files	Partially Downloaded File
.LDIF	Mozilla	Data Files	LDAP Data Interchange Format File
.WMV	Microsoft Corporation	Video Files	Windows Media Video File
.SHT	The Document Foundation	Web Files	HTML File With Server Side Includes
.WOA	Apple	Web Files	WebObjects Application
.J2K	Joint Photographic Experts Group	Raster Image Files	JPEG 2000 Image