
What's new in K-9 Mail 8.0
New:
- New Material 3 folder drawer gives Thunderbird a fresh new look.
- Updated OAuth support for Fastmail and various other providers.
- Enhanced folder management, removed folder display and push classes.
- Updated translations for multiple languages, including Norsk Nynorsk and Irish.
Changed:
- Updated text color of read messages in the message list for better visibility.
- A number of accessibility improvements when using Talkback.
- Addressed crashes in account management, crypto provider dialogs, and QR code import.
Unresolved:
- We are aware of user feedback from the beta list on the new folder drawer and seek to make improvements in upcoming releases.
About K-9 Mail 8.0
K-9 Mail is an open source email client that works with basically every email provider.

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 at forum.k9mail.app
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 github.com/thunderbird/thunderbird-android
We're always happy to welcome new developers, designers, documenters, translators, bug triagers and friends.
Download K-9 Mail 8.0
This release may come in several variants. Consult our handy FAQ to see which download is right for you.
Version:8.0
Uploaded:November 6, 2024 at 9:07AM UTC
File size:10.06 MB
Downloads:25
Version:12.1
Uploaded:September 8, 2025 at 11:25AM UTC
File size:11.63 MB
Version:12.1
Uploaded:September 9, 2025 at 5:44AM UTC
File size:12.2 MB
Downloads:43
Version:11.1
Uploaded:August 27, 2025 at 9:24AM UTC
File size:11.43 MB
Downloads:82
Version:11.0
Uploaded:July 16, 2025 at 5:42AM UTC
File size:11.43 MB
Downloads:61
Version:10.1
Uploaded:July 8, 2025 at 3:50AM UTC
File size:10.22 MB
Downloads:89
Version:10.0
Uploaded:May 7, 2025 at 6:45AM UTC
File size:10.22 MB
Downloads:194
Version:9.0
Uploaded:May 7, 2025 at 6:45AM UTC
File size:10.68 MB
Downloads:13
Version:9.0b3
Uploaded:December 16, 2024 at 7:06PM UTC
File size:10.13 MB
Downloads:109
Version:8.2
Uploaded:December 12, 2024 at 2:07PM UTC
File size:10.66 MB
Downloads:203
Version:8.1
Uploaded:November 8, 2024 at 10:51AM UTC
File size:10.07 MB
Downloads:166
Version:8.0
Uploaded:October 30, 2024 at 5:20PM UTC
File size:10.06 MB
Downloads:137