Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .xpi

Below, you can find answers to the following questions:

  • What is the .xpi file?
  • Which program can create the .xpi file?
  • Where can you find a description of the .xpi format?
  • What can convert .xpi files to a different format?
  • Which MIME-type is associated with the .xpi extension?

1 extension(s) and 0 alias(es) in our database

.xpi
Mozilla XPInstall Package .xpi file icon

Mozilla XPInstall Package

XPI file is a Mozilla XPInstall Package. XPInstall is a technology used by the Mozilla Application Suite, SeaMonkey, Mozilla Firefox, Mozilla Thunderbird and other XUL-based applications for installing Mozilla extensions that add functionality to the main application. An XPI installer module is a ZIP file that contains an install script or a manifest at the root of the file, and a number of data files.
Category: Archive files
Application: Mozilla Firefox
Program name: -
Mime-type: application/x-xpinstall
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
-

Other types of files may also use the .xpi file extension. If you have helpful information about .xpi extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

MS-DOS Code Page Information
Lifo-Pro Consumer Price Index
Pyrex Include
LcdStudio Playlist
WWE RAW Model
DB/TextWorks Exported Record Skeleton Definitions
NMRView Peak List
Zipped
Adlib Express Document Processing Information

The .xpi filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

cpi (20), pxi (15), xpl (13), xpk (12), xp (11), zpi (11), dpi (11), xpo (10), spi (8), api (8), xi (7), pi (6), xli (5), xpj (4), xip (1)

Can't open a .xpi file?

If you want to open a .xpi file on your computer, you just need to have the appropriate program installed. If the .xpi association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.xpi

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

If you don't know how to set the .xpi file association, check the FAQ.

Supported operating systems

Windows Server 2003/2008/2012, Windows 7, Windows 8, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android

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