Skip to main content

Thunderbird Extension

The Retyc extension for Thunderbird lets you send large files directly from your email client, without leaving Thunderbird. Files are end-to-end encrypted and shared via a secure Retyc link.

The extension is open source: github.com/retyc/retyc-thunderbird-plugin

Installation​

1. Find the extension​

In Thunderbird, go to Tools > Add-ons and Themes and search for Retyc. You can also go directly to the Thunderbird Add-ons catalog.

Click + Add to Thunderbird.

Retyc extension in the Thunderbird Add-ons catalog

2. Confirm permissions​

A window lists the permissions required by the extension. Click Add to complete the installation.

Permissions confirmation window

First login​

When composing an email, the Retyc button appears in the toolbar. If you are not yet logged in, a notification is displayed:

Not logged in notification in the compose window

Click Open settings to log in. The Retyc panel opens:

Retyc panel — not connected

Click Log in with Retyc. A device authentication flow starts: open the URL displayed in your browser and enter the code shown.

Retyc device authentication — waiting for browser confirmation

Once authenticated, the panel shows Connected and Retyc is active.

Retyc panel — connected

info

Once connected, Retyc automatically intercepts attachments when you send emails.

Manual installation​

If you prefer to install the extension without the catalog, download the latest version from GitHub, then in Thunderbird:

  1. Go to Tools > Add-ons and Themes
  2. Click the gear icon, then Install Add-on From File
  3. Select the downloaded .xpi file