# Templates Reply ## Mozilla Thunderbird Add-On Templates Reply is a completely free and open-source Thunderbird extension that helps you create, manage, and reuse message templates directly from your compose window. It is designed for speed, simplicity, and convenience — no sign-ups, no limits, and absolutely no data collection. This add-on does not track, store, or transmit any personal information. All templates and settings are saved locally on your device and never leave your computer. No analytics, telemetry, or remote servers are involved — your privacy is 100% respected. You can freely use, modify, and distribute the source code under the terms of the MIT License. ## Screenshots ![App Screenshot](https://addons.thunderbird.net/user-media/previews/full/207/207836.png?modified=1762427184) ![App Screenshot](https://addons.thunderbird.net/user-media/previews/full/207/207837.png?modified=1762427184) ![App Screenshot](https://addons.thunderbird.net/user-media/previews/full/207/207838.png?modified=1762427184) ## Install Locally (Temporary / Developer Mode) ``` Open Thunderbird Go to Tools → Add-ons and Themes Click the ⚙️ (gear icon) in the top-right corner Select “Debug Add-ons” Click “Load Temporary Add-on…” Choose the manifest.json file from your add-on directory ⚠️ Note: This installation is temporary and will be removed when Thunderbird is restarted. ``` ## OR via Thunderbird Add-on Manager ``` Open Thunderbird Go toTools → Add-ons and Themes Search for the Templates Reply add-on by name Click Add to Thunderbird Confirm installation ```