Thunderbird Community Forum

Using Acronis True Image for Western Digital (ver 2025 build 41936) to backup my files on a daily basis. Recently the backup program has been stopping and reporting that it cannot access some Thunderbird files, even when Thunderbird was not running (1st image) I tried 'Compacting all Folders' in Thunderbird but the result was the same (2nd image). Lastly, I tried clearing the cache - the result is the same. In all cases Thunderbird was not running during the backup.

i realize that this is not a Thunderbird issue, but I've been unable to get help elsewhere. I wondered if anyone might have a solution since Acronis apparently sees the file as being accessed - is there a way to remove that?

I would like to know how I can control the timing of compacting the mailboxes under Linux and Windows. The reason why I ask is that every time compacting needs to be done, the prompt to do so comes up as soon as the Thunderbird interface finishes loading but before all of the mailboxes are finished updating,which can take several minutes. If I accept the compacting, it inevitably returns an error that it could not run because the mailboxes are still updating. Or I can cancel until I go through this the next time.

It would seem like a simple matter to either give the user a way to delay the compacting process, or have Thunderbird not initiate it until it is safe to do so to begin with.

I have tried to research this but have not found any answers.

Thunderbird in the past showed a red number above the dock icon telling me I had so many new emails. The newest version I now have does not do that and I cannot find a setting for that. Anyone know how to get the number back????

I tried the Toolbar fixes in this forum and got the menu to show up, thank you. (Any menu in Compose mode had disappeared. Actually, both Firefox and Thunderbird icons on desktop and Taskbar had disappeared as well, and I had to reinstate shortcuts. This may or may not be pertinent.)

But when I try to add "Send" to the menu, using customize, the "Send" icon is nowhere to be found as an option, so I cannot add it to the Toolbar in Composition mode. "Send" is grayed out in all bold textmenus. If I use Ctrl-Enter, message does get sent. Using Windows 10, still. Perhaps this is an upgrade issue?

Hello community,

I'm trying to find a solution to probably a basic problem and one that been discussed a lot. I use Thunderbird on a Mac and want to remove the arrow indicator from the Subject field (screen shot attached). I've tried several different recommendations, but none work.

Any advice?

Ian

Very little to do with accounts, but none of the selectable topics cover 'user Interface'.

Used to be able to open different accounts in different windows. Can't remember how, but it was obvious. Once new window is created, each time Thunderbird is started it re-creates them. I accidentally closed one and can find no way to re-open it. I use three email accounts each needing a different mindset, so keeping them in different windows helps. Also one has a screendepth full of folders and so is easier to handle in its own window. (The others are still there but only take up one line each when collapsed.

140.7.1esr (64-bit) Mozilla Thunderbird Snap for Ubuntu ubuntu-snap-build - 1.0

Hello, In my Mozilla Thunderbird email client I'm sorting received emails into 'conversations' which in Thunderbird is known as 'Threaded View'. I find this to be useful functionality but one problem I have is that it's not obvious when there's a new email in that thread. The only way to check for a new message in a thread, is to click on the '<n> replies' in the very first threaded email, so that when that expands to show all content in that thread - one can then see that there are new emails that haven't yet been read. Is there any way that new (unread) emails in Threaded View can be made obvious ?. Regards,

 Martin388

I have lost the send, attach buttons on my new emails? not sure what I touched.

I can recieve emails and reply but when I want to write a new email I am not able to send it as the button to send is gone.

also the New Message button is gone.

In my effort to solve a different issue, I have made things somewhat worse.... I do not see the option to display listing of unread/all messages. I do not see a Settings tab in the menu bar.

Please help. TNX.

_____________________________________________ desktop win11 pro Thunderbird 148.0 (64-bit)

I have Thunderbird 148.0 with windows 11. I have 5 email accounts. How do I turn off those unwanted and unneeded notifications of email messages. There are TONS of them and they are very irritating and serve no useful purpose that I can see.

There is a way to add a folder to a Thunderbird account that combines other folders. The one I want to create would be "Inbox and Sent emails combined". I did it in the past, but I can't remember how to do it anymore. Can someone help with this? I am running Thunderbird 140.8.0esr (64-bit) on Linux Mint.

i am confused at this point: Double-click toolkit.legacyUserProfileCustomizations.stylesheets to true in Settings/General/Config. editor, restart TB.

The row background and text colours can be set with css (see picture):

/* row bg, text colours for selected messages table view*/ tr[is="thread-row"].selected {

 color: white !important;
 background-color: red !important; 

}

Help/Troubleshooting Info, Profile Folder, Open Folder, close TB, create a new folder named chrome, create a new document in chrome with a text editor, name it userChrome.css, Save as type: All files *.*, copy in the above code, change the colours as desired. Double-click toolkit.legacyUserProfileCustomizations.stylesheets to true in Settings/General/Config. editor, restart TB.

I am trying to set up a visualization of the columns of the main interface. Here's what I do:

1. Click on the list icon in the top right corner.
2. Uncheck the columns I want to hide. Specifically, From (CB), Recipient (CB), and Correspondents (CB).
3. Apply the selection to all folders: click on the icon in the top right corner, apply columns to.. > folders and its children... > select account > Confirm

These actions produce immediate results. However, the next day or a few days later, when I reopen the program, the column display changes. Sometimes in the main folder (inbox), sometimes in the subfolders.

Is this a known bug? Is there anything I can do to keep the desired column configuration stable?

I have a MacAir and want to create a signature with a Brush Script font. In the Thunderbird Account Settings, I see the area to create a signature but not a list of fonts. How do I do that? Thanks, Richard

I have version 146 of Thunderbird. My OS is Windows 11. The Local Folders in Thunderbird are out of alphabetical order.

I have list of 130 local folders that are in the correct alphabetical order. Under that list, I have another list of 25 folders, starting with the letters L - U, that are in order alphabetically. I have tried to move several of them back up into their correct place in the list of 130 folders that are above them. This worked well for about 10 folders. Now, when I try to move a folder from the second set to its correct place in the group of 130 folders above them, they all end up in the same spot, between folders starting with De and Dra. When I try to move them away for this location, into their correct alphabetical slot, they will not move.

Also, when I try to create a New Subfolder under Local Folders, it is not created in the correct alphabetical location.

Does anyone know of an easy to correct these errors? I need to get my local folders in the correct order alphabetically again. Thank you.

I recently updated from a very old version of Thunderbird. The new version no longer shows the little popup messages at the bottom of my screen when automatically checking accounts for mail at the designated interval. As I have numerous email accounts (all set up as POP mail), set to check at different intervals, these popups were useful to me - they also showed when I manually checked an account, or all accounts - this also is not happening anymore. Have they been discontinued, or is it possible I turned them off? I did change some things to suppress nags to update Thunderbird during the time I was using the old version, and unfortunately didn't keep a record of those changes. I'd appreciate knowing which function in about:config controls this feature so I can check to see whether it's set correctly. Thanks!