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When using an Outlook account in Thunderbird for Android, I frequently encounter authentication and connection issues. Sometimes the app shows an authentication failure notification, and checking incoming server settings results in the error: "User is authenticated but not connected".

Hello all,

I installed Thunderbird for Android beta at my smartphone. After importing my account from the desktop version of Thunderbird I don't see the subfolders of my inbox. How can I show subfolders in the app for Android?

Kindest regards

I have Thunderbird on Android 15. I can not move an accidentaly deleted message back to the inbox.

In Thunderbird > settings > general settings > visualization > visible message management (approximate translation from other language) I have selected "move".

I suspect that this is an error.

I installed Thunderbird on a new Motorola Razr running Android 15. It worked just fine for a few days, but now will not download any new emails (GMail on the same phone is working fine). I have two accounts installed. One (much smaller) seems to be working fine, while the other is only partially working. Namely, I can only see emails from Monday or earlier (today is Thursday).

If I use my desktop to delete one of the older messages that is displayed on the phone, it will be removed from the phone the next time I swipe down and have it refresh the inbox. If I use the desktop to update the read/unread status of an email that does appear one the phone, that is not updated when I refresh the phone.

It is a recently added account, is it possible that the device is just downloading older messages and is backed up? I don't know where or how I could access the activity monitor (or whatever the proper name is) to see what the program is or is not doing.

I am using a Samsung S22 android and Thunderbird 20.1. My email server is Xfinity (comcast.net) and set on imap: smtp.comcast.net; SSL/TLS; port 465; auth: normal password

When outgoing emails are somewhat large, or sometimes for no reason at all, the outgoing emails get stuck in the OUTBOX. No amount of clicking on "Send messages" works, nor does sending them to DRAFTS and re-sending them. They again get stuck in the outbox. I have changed the port #s to no avail. My desktop Thunderbird HAS NO OUTBOX !! Why is that? Consequently, no emails get stuck, no matter how large or small. I've tried everything and searched everywhere.... no help.

I have been trying to set up Thunderbird Mobile on my Android phone. I scanned the QR code to export my settings. However, when I open the app on my phone, the only options I have are "Add an email account", or "Sign in with Thundermail". The instructions state that clicking on "Get Started" should bring up the option to "Import Settings" but it does not.

I should also add, when I try to put in the settings (which I know are correct, same as what I have in Thunderbird Desktop), it comes up with "Checking incoming server settings failed Network error Details: Unable to resolve host "twc.mail.com": No address associated with hostname. I positively know that is correct.

I am aware that Spectrum has had problems. However, it works fine with Thunderbird Desktop.

Would love if someone could please help me with this. It worked perfectly fine adding one Outlook account but this one for some reason just isn't working. It'll bring me to the Outlook sign in to give permissions then throws the error (attached image)

I just installed Thunderbird for Android on my Pixel phone for the first time. I have used Thunderbird on my desktop PC for many years, so I am very familiar with Thunderbird in general. I used the "Export for Mobile" feature on my desktop installation, to import my account settings into the Android installation.

For the most part, Thunderbird for Android works great, as I would have expected. However I am seeing a problem which appears (to me) to be a bug. When I compose and send an email on my phone, and then look in the "Sent" folder on the phone, the email that I just sent shows up there. But only on the phone. If I open Thunderbird on my desktop PC and look at the Sent folder there, the email that I sent from the phone is not there. Apparently, it only gets placed in the phone's Sent folder, but it does not get copied to the email server.

A few other details: -- I use Thunderbird on 2 different desktop systems, a PC and a Mac. When I send email from either of those, that email DOES show up in the Sent folder on the other system. Emails that are sent from either desktop system also show up in my phone's Sent folder. So I know that the Thunderbird desktop application does upload the message to the email server's Sent folder correctly. But Thunderbird for Android does not upload its sent emails.

-- I don't know if it matters, but my email server is Microsoft 365, hosted by GoDaddy.

-- As far as I can tell, the most obvious setting for this is the "Upload sent messages" checkbox, which can be found in the "Sending mail" section of "Account settings" in the Thunderbird Android settings. This checkbox IS IN FACT turned on. I could not find any other settings which could possibly affect the copying of sent messages up to the email server's folders.

Is this a bug? Any ideas what might be causing this? Thanks for any help.

Hello everyone, I finally change from k9 to thunderbird on my Android phone. If everything is nearly the same, I have hard with the two letters given to my multiple email account on the left, in the round dot, all are nearly the same. I can change the color but i didn't find how to change the abbreviation given to them. Any idea where to do it? thanks

On my Samsung A05 Thunderbird does not show received email dates only the day. This is useless for finding emails going back more than a week or two. I don't care what day of the week it was received, just the date and time. Earlier solution offered (via message lists) not in any of my menus so cannot use. Please advise how to show dates. Current OS Android 15 A055FXXSHDZF1/ A055FOJMHDZF1 / A055FXXSHDZF1 with security patch level: 5 June 2026 Also cannot find support/about option in the settings menu to show the Thunderbird version.

I try to download the app from the playstore, and it says Thunderbird will install soon, but soon never comes. I never get to the stage where you confirm the path name

HI

I've scanned the QR code like it says to do. Once it's been scanned it will not allow any Google accounts to be added as it says there is missing information for incoming and outgoing servers. Also the passwords are missing and I've also got a fault. OAuth sing in failed.

How do I fix this?

Thank you