Premium
What's new in K-9 Mail 8.1
- We've fixed one of our top crashes to give you a more stable experience
About K-9 Mail 8.1
K-9 Mail is an open source email client that works with basically every email provider.
Premium
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 8.1
This release may come in several variants. Consult our handy FAQ to see which download is right for you.
Version:8.1
Uploaded:December 7, 2024 at 1:23AM UTC
File size:10.07 MB
Downloads:14
Version:14.0
Uploaded:November 24, 2025 at 3:48AM UTC
File size:12.33 MB
Version:14.0
Uploaded:December 20, 2025 at 7:58AM UTC
File size:12.93 MB
Downloads:64
Version:13.0
Uploaded:October 21, 2025 at 8:56PM UTC
File size:12.34 MB
Downloads:115
Version:12.1
Uploaded:September 9, 2025 at 5:44AM UTC
File size:12.2 MB
Downloads:61
Version:11.1
Uploaded:August 27, 2025 at 9:24AM UTC
File size:11.43 MB
Downloads:128
Version:11.0
Uploaded:July 16, 2025 at 5:42AM UTC
File size:11.43 MB
Downloads:64
Version:10.1
Uploaded:July 8, 2025 at 3:50AM UTC
File size:10.22 MB
Downloads:98
Version:10.0
Uploaded:May 7, 2025 at 6:45AM UTC
File size:10.22 MB
Downloads:200
Version:9.0
Uploaded:May 7, 2025 at 6:45AM UTC
File size:10.68 MB
Downloads:18
Version:9.0b3
Uploaded:December 16, 2024 at 7:06PM UTC
File size:10.13 MB
Downloads:111
Version:8.2
Uploaded:December 12, 2024 at 2:07PM UTC
File size:10.66 MB
Downloads:208
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