All Products Community Forum

I successfully subscribed to an online .ics file but I found the resulting calendar entries inadequate and I want to unsubscribe but I can't figure out how to do that. I've tried searching for instructions but haven't found any.

Something like this question has been asked so many times, searching for other's answers has become useless. The answers vary over the years and Thunderbird version numbers, not to mention that I can't even find documentation from Mozilla on this topic (official method of changing font size for average user; official list of css keywords, their format, and examples of use; etc.).

I am trying to increase the size of the Thunderbird fonts—not the ones used to display an email, but the ones used to show my list of accounts, mailboxes, and folders and the list of emails I have received (Table View, not Card View). For what its worth, I've already changed the font magnification to 1.5x.

I set toolkit.legacyUserProfileCustomizations.stylesheets to true, and created a chrome folder in my profile directory. In it I put this userChrome.css:

/* Set font size in folder pane */ treechildren::-moz-tree-cell-text { font-size: 18pt !important; }

/* Set font size in message list page */ treechildren::-moz-tree-cell-text { font-size: 22pt !important; }

However, restarting Thunderbird (multiple times with various font sizes) shows no changes. What do I do to change my font sizes? (The average user shouldn't even need to know about profiles or style sheets!)

Hi All. Long time (25 years) user here, first time poster. Just want to report weird issue/bug, thought to start here on the forum: I'm a fast typer and often sending emails quite quickly. When I click 'reply' to a message, for example, I start typing pretty shortly thereafter. What I'm seeing in the past month or two (sorry, don't have accurate info on when this started) is that the focus briefly jumps to the 'to' field of my message before jumping to the body (where I think it should be from the beginning). The result is that I start typing my message (e.g. "Hello Gloria, Thanks for your email ...."), and get an auto-matched address from my address book (e.g. "He" matches to "Henry Yu") plugged in to the to: field. Then the rest of the text continues in the body field.

Sometimes I notice, sometimes I don't (if there are multiple recipients in particular it's harder to notice the extra address).

It's obviously undesirable to be sending messages to basically randomly selected addresses from my address book. Why is Thunderbird sending the focus to the to: field for a moment, and then jumping to the body? I suggest just putting the focus squarely on the body. Or, lock my keyboard or something until the message is ready to receive input.

Or would anybody know a workaround to this? Other than slowing down, which is of course what I'm doing at the moment.

I'm on Windows, T-bird 128.9.2esr (64-bit).

Thanks!

George

I just installed Thunderbird on Deepin Linux today. And I forgot which button I wrongly clicked. As a result, my thunderbird's appearance looks messy.

How to set it back to the default view without reinstall it?

I am looking forward to the answer.

I have been having much trouble with Thunderbird. The latest problem is with the Sent folder. When I try to Compact Folders I get the message "The folder 'Sent on Local' could not be compacted because writing to folder failed. Verify that you have enough disk space, and that you have write privileges to the file system, then try again."

I have plenty of disk space and have Full Control. I tried creating a temporary folder and moving all the Sent messages to it, so that Sent had zero messages. I still got the same message. The file listing showed Sent to have a size of 182 MB even though it didn't contain any messages. I've tried deleting sent.msf to force Thunderbird to recreate the index - didn't work. I tried using Repair Folder. That worked, but when I tried Compacting Folders again it found another folder with the same problem. I fixed that one and then it said the Sent folder was bad once again. I'm going around in circles!

I've deleted and recreated scores of .msf files for various reasons, trying to get Thunderbird to work without errors, but as soon as I get one problem fixed, another one crops up. I'd conclude that it's my computer, except that I'm not having any problems with other programs.

Any thoughts on this particular problem or Thunderbird problems in general? Thanks.

It appears that Thunderbird knows how much disc space is required to compact a folder, since it says there is not enough. Could the message say "You must have xxx free disc space" rather than having to use the trial and error method. If this space is 'work space' could Thunderbird be instructed to use a drive other than C: for workspace.

Greetings. TB crashes - It originally died after a short period of working. Managed to empty cache which seemed to have solved it, but then it came back with vengence and has given me no chance to explore as it won't load at all. I used to use folders for mail and also regularly compressed, however not the last few years. I also have a few Mozbackup files, but restoring a recent one of these has not helped. I am now finding it frustrating not being able to reach my messages. It is set up mainly as POP, with a number of different email addresses all reached through a common inbox. I have been using TB for decades and this is first issue like this. Glad of any suggestions. David

Just got a new pc with windows 11, I used the export from my older Thunderbird to create the file and it worked great, but I messed up when I installed Thunderbird on my new pc, I was so impressed (and curious) that Thunderbird could auto set up my email account, so I let it do it and it worked. I have 3 email accounts and when I used the import I thought it would overwrite the one it just created, but it didn't so I'm missing 3-4 folders I had on that one account It imported the other 2 accounts and folders great Is there a way I can get those folders from the old pc and copy over to the new?

I tried to uninstall Thunderbird from the new pc so I could do it right, only use the import function and get everything, but it doesn't uninstall much, everything is still there. Or is there another way? Thanks.

I recently moved to another email provider. Since the move I use a new email address (account). The mail in the previous used imap account must be saved. Since the old server at the provider has been blocked. A lot of emails have to saved for some years. Do you have a suggestion how to save the mail? Thanks, Paul

After 20+ years my email service has closed, and I have kept many old emails on Thunderbird. If I start reading an old email, a Thunderbird message pop up on screen every few seconds stating that it cannot connect to the dead email service. This is a real nuisance as the messages cover the screen over time, and each one needs to be separately deleted. Can this Thunderbird response be switched off?

I wish to keep using Thunderbird for the new email service, but only if I can fix this issue.

Bill

TB on desktop is set up for POP3 from my ISP. I found out there is a TB Mobile App for Android. How will this work as far as accessing my messages on the Mobile, but still leaving desktop on POP3? Can I have visibility of emails on Mobile, or do I have to change to IMAP? What about Local Folders, which I use extensively on Desktop.

Keeps on telling me it can't authenticate the outgoing SMTP server for both of my email accounts. Have checked settings and all appears to be in order. I do not want to re-load my accounts because the last time I did that I lost all of my messages because of being on POP 3 setting.

I (by mistake) tried go attach a file that was too big to send in a Thunderbird (gmail) message. Even though I click "Cancel" to the warning "Warning! You are about to send a message of size 29.6 MB. Are you sure you want to do this?" the warning reappears each time I open Thunderbird (and I have to close and restart it to have it send any e-mails). The offending message is not in the drafts or trash folders. How do I tell Tbird to stop trying to send this message?

Hi,

I have configured a Matrix account in the [Chat] tab but am unable to delete it. Going to the accounts menu and pressing the red "Delete" button doesn't do anything. I am not aware of a way to delete it using configuration files (I am on Windows)

Thanks !

Hi guys,

I'm communicating with some colleagues using S/MIME encrypted messages. I have already imported all the necessary licenses, and all licenses are valid until 2034. I can receive and read all the encrypted messages they sent me, but every time I try to reply or send them (the same people) encrypted messages, the error pops up saying 'End-to-end encryption requires resolving certificate issues'. I already checked all the licenses but couldn't find any issues. Can you suggest some ways to resolve it? Thank you!

Hello, I have Thunderbird 115 on a Win10 HP laptop. Until today, I could both send and receive emails OK; today, I can only receive emails, for some unknown reason I have an error message with sending only, reading: "Sending of the message failed. The message could not be sent because connecting to Outgoing server (SMTP) smtp.fastmail.com failed. The server may be unavailable or is refusing SMTP connections. Please verify that your Outgoing server (SMTP) settings are correct and try again." The SMTP settings match what is on Fastmail's website for POP3. I haven't done anything I can think of since last using Thunderbird that would trigger this. I have updated successfully to Thunderbird 128 OK and that hasn't solved the problem. The email provider is Fastmail (I've been in touch with them, they have given advice, so far, no luck), SMTP settings are on the attached image. The ISP is NBN (National Broadband Network). Antivirus software is McAfee Premium - Individual. It is really frustrating.

Steps to reproduce:

1. Using Betterbird/Thunderbird 128.9.2esr-bb25 (64-bit), navigate to "Address Book"

2. Using "Address Book" "List display options". Type in any phone number

3. No result are display. This is the challenge. The needed end result is to search all Phone Number field for all contacts. Including any additional "Phone Number" field per contact if any. For example, but not limited to, "Phone Number 1", "Phone Number 2", "Fax Number", etc.

Using this on device 1:

• Betterbird/Thunderbird 128.9.2esr-bb25 (64-bit) from Arch Linux repository

• Arch Linux latest version

• KDE Plasma latest version

Using this on device 2:

• Betterbird/Thunderbird 128.9.2esr-bb25 (64-bit) from https://flathub.org/apps/eu.betterbird.Betterbird

• Debian Bookworm 12

• GNOME 43.9

What I tried that did not work:

• Add-on "Contact Tabs" does not support Betterbird/Thunderbird 128 at https://addons.thunderbird.net/en-US/thunderbird/addon/contact-tabs/