.xpi file: how to open it on Windows

3 Windows apps register the .xpi extension. Install one of them to open the file with a double-click.

About the format

Format

XPInstall installer module

MIME type

application/x-xpinstall

Format data: freedesktop.org shared-mime-info and PRONOM (The National Archives, UK).

• 
  Bandizip

  A powerful archiver that provides an ultrafast processing speed and convenient features.

  Proprietary 7.47 79.3K ↓
• I
  IZArc

  The easiest way to Zip, Unzip and encrypt files for free

  Free 4.6 5.5K ↓
• 3
  360 Zip

  Free, security, high-speed compression software

  Free 1.0.0.1041

Related guide: Change the default app for a file type in Windows