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.xpi

File Type Mozilla Installer Package IconMozilla Installer Package
File Format Proprietary (Mozilla)
Usage Open manually; may be referenced by an application
Rank ★ ★ ★  Common
Description

Compressed installation archive that contains the main components installed with Firefox and Mozilla Web browsers; installed by Mozilla installer script; also used for installing Web browser extensions.

XPI files may often be installed by simply dragging and dropping the file onto an open Web browser window.

Open With
Windows

IconMozilla Firefox

IconMozilla Thunderbird

IconMozilla SeaMonkey

Macintosh

IconMozilla Firefox

IconMozilla Thunderbird

IconMozilla SeaMonkey

Unix

IconMozilla Firefox

IconMozilla Thunderbird

IconMozilla SeaMonkey

Updated October 3, 2007
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