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What's new in Thunderbird Beta for Testers (f-droid version) 11.1
About Thunderbird Beta for Testers (f-droid version) 11.1
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Features
* Supports multiple accounts
* Unified Inbox
* Privacy-friendly (no tracking whatsoever, only connects to your email provider)
* Automatic background synchronization or push notifications
* Local and server-side search
* OpenPGP email encryption (PGP/MIME)
Install the app OpenKeychain: Easy PGP to encrypt/decrypt your emails using OpenPGP.
Support
If you're having trouble with K-9 Mail, ask for help in our support forum.
Want to help?
K-9 Mail is a community developed project. If you're interested in helping to improve the app, please join us!
You can find our bug tracker, source code, and wiki at https://github.com/thunderbird/thunderbird-android.
We're always happy to welcome new developers, designers, documenters, translators, bug triagers and friends.
Thunderbird Beta for Testers (f-droid version) 11.1 Play Store screenshots (9)
Screenshots from version 23.1
Download Thunderbird Beta for Testers (f-droid version) 11.1
This release may come in several variants. Consult our handy FAQ to see which download is right for you.
Version:11.1
Uploaded:August 27, 2025 at 9:24AM UTC
File size:11.43 MB
Downloads:144
Version:23.1
Uploaded:September 22, 2026 at 2:46PM UTC
File size:10.75 MB
Version:23.1
Uploaded:September 26, 2026 at 12:36AM UTC
File size:10.25 MB
Downloads:3
Version:23.0
Uploaded:September 16, 2026 at 3:57PM UTC
File size:10.25 MB
Downloads:7
Version:22.0
Uploaded:August 13, 2026 at 5:53PM UTC
File size:10.21 MB
Downloads:12
Version:21.1
Uploaded:August 5, 2026 at 10:55AM UTC
File size:10.19 MB
Downloads:7
Version:21.0
Uploaded:July 23, 2026 at 6:28PM UTC
File size:10.19 MB
Downloads:6
Version:20.1
Uploaded:July 9, 2026 at 10:32AM UTC
File size:10.11 MB
Downloads:10
Version:20.0
Uploaded:June 24, 2026 at 1:10PM UTC
File size:10.11 MB
Downloads:12
Version:19.2
Uploaded:June 6, 2026 at 9:31AM UTC
File size:10.09 MB
Downloads:19
Version:19.1
Uploaded:June 5, 2026 at 2:19PM UTC
File size:9.57 MB
Downloads:3
Version:19.0
Uploaded:May 29, 2026 at 3:19PM UTC
File size:9.57 MB
Downloads:6
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