Is Mozilla Thunderbird free to use?

Yes, **Mozilla Thunderbird** is completely free and open-source software. It is developed by MZLA Technologies Corporation, a subsidiary of the Mozilla Foundation, and is distributed under the Mozilla Public License 2.0, allowing users to use, copy, and distribute it freely.

What operating systems does Mozilla Thunderbird support?

**Mozilla Thunderbird** is a cross-platform application available for Windows (10 or later), macOS (10.15 or later), and Linux (requiring specific libraries like GTK+ 3.14 or higher). It also has a mobile version for Android.

Can I use Mozilla Thunderbird with multiple email accounts?

Absolutely. **Thunderbird** is designed to manage multiple email accounts from a single interface, supporting IMAP, POP, and SMTP protocols. It can automatically detect settings for popular email providers, making setup straightforward.

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