Thunderbird for Android collects telemetry data by default and sends this information to Mozilla, to help improve usability, performance and stability. Telemetry data is made up of two data sets: interaction data and technical data.

What is interaction and technical data?

Interaction data includes information about your interactions with Thunderbird for Android, such as how many email accounts the user has, if and how certain features are used, and how often Thunderbird for Android is started.

Technical data includes information about your version and language, device operating system and hardware configuration, memory, basic information about crashes and errors. When sending data to us your IP address is temporarily collected as part of our server logs.

Can I learn more about telemetry data collection?

Yes, you can learn about our telemetry data collection by reading the Thunderbird Privacy Notice. You can get additional information about specific probes in our probe dictionary which is publicly available for our users.

Any data collection or sharing adheres to our data collection policy.

How long do you keep telemetry data?

We keep telemetry data for 13 months.

How do I opt out or delete telemetry data?

You can opt out of sending telemetry information at any time. If you opt out of sending telemetry data, we will also treat this as a request to delete any data we previously collected. Data will be deleted within 30 days after you opt out.

To opt out of sending telemetry information:

1. Select the menu at the top left of your Thunderbird for Android screen

   

2. Select Settings.
3. Select General settings.
4. Select Data collection.
5. Turn off Usage and technical data.