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# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

.XPI File Extension

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Mozilla Installer Package Icon
File TypeMozilla Installer Package
DeveloperMozilla
Popularity
3.6 (14 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryPlugin Files
File Format Description

Compressed installation archive used by various Mozilla applications, including Firefox, Thunderbird, and SeaMonkey; may contain the primary components installed with the software, or may contain an software extension, such as a Web-browser plug-in.

XPI files can often be installed by simply dragging and dropping the file onto an open Web browser window. The Mozilla software uses a component called XPInstall, (which includes Mozilla installer script) to install the XPI packages.

Program(s) that open .XPI files
Updated 1/17/2012