Getting Started With Thunderbird Send

Let’s get everything working so you can start sending those secured files!

Initial Setup: The Add-on

1. Open your Thunderbird desktop app.
2. Make sure your app is updated to the newest stable or ESR version.
3. In the top right corner of the app, press the “three lines” menu button.
4. Click “Add-ons and Themes” in your app’s file menu.
5. The Add-ons Manager appears! Search for "Thunderbird Pro"
6. When the results show, find Thunderbird Pro at the top and click the "+ Add to Thunderbird" button.
7. An alert will pop up in the top-right corner that says "Add Thunderbird Pro" with required permissions. Click the "Add" button, and then press "OK."

Signing In to Thunderbird Pro

1. In the top right corner of the app, press the “three lines” menu button again.
2. Click “Sign in to Thunderbird Pro.”
3. Follow the prompts to log in to your existing Thunderbird Pro account or to purchase a new Thunderbird Pro plan.
4. Follow the instructions on creating your Recovery Key. Download the key to a safe place to continue.

Now you're ready to send your first file! We have a guide on that for you here as well.