Thunderbird - How to install an add-on from a file?

You have downloaded a Thunderbird add-on on your PC and want to install it? Here's how to proceed:

  • Open Thunderbird.
  • Click on Tools > Add-ons

  • The Add-ons Manager shall open.
  • Click on the "Tools for add-ons" button (gear icon) > Install Add-on From File.

  • Browse for your downloaded add-on (.xpi) and click on Open.
  • Follow the on-screen instructions.
Ask a question
CCM is a leading international tech website. Our content is written in collaboration with IT experts, under the direction of Jean-François Pillou, founder of CCM.net. CCM reaches more than 50 million unique visitors per month and is available in 11 languages.
This document, titled « Thunderbird - How to install an add-on from a file? », is available under the Creative Commons license. Any copy, reuse, or modification of the content should be sufficiently credited to CCM (ccm.net).