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When I let thunderbird compress the inbox and other folders, the not read flags on all new emails get reset as if I have read all of the new emails. Compressing the inbox and other folders should have no effect on the flags showing a message has not yet been read. That only makes sense. The not read flags getting reset started happening several versions before 145.

Two nights ago I uninstalled ExpressVPN from my system at the instruction of one of their "support" people. My computer immediately lost the ability to access half of the websites I tried to visit and Thunderbird wouldn't send or receive email. I rebooted and that fixed every issue, but since then, Thunderbird no longer checks for new messages for any of my accounts. If I manually instruct it to check, it downloads the messages with no problem. I don't use any add-ons, and I'm using the latest version on a Windows 11 PC. I have already tried deleting global-messages-db.sqlite, repairing each mail folder from within Thunderbird, clearing the cache, and running an install of the latest version. I have also tried changing the setting for each mail folder to alter the interval for message checks by a minute just to see if that would jog it, but no luck. I've looked at various other help threads for this and am out of ideas. Thanks in advance for any help.

I am unable to sign in to my yahoo mail account. It gives me a fault that "something went wrong, please try another device". I can use brave as my browser and sign in with no problem but not with firefox. Any idea why?

Dear helpers,

I want to upgrade the hardware of a friend - and so I moved the homedir of the user to the new system, as I have done every time before in my life. But in this special case Thunderbird will not start with the used profile.

Thunderbird generally starts with e.g. the -P switch. But it will not start the default profile of the user. I tried to go this way concerning the versions 115 -> 128 -> 140 without success. I deleted all lock files, if there were any. I spent a lot of time with e.g. copilot - but it could not help me. I'm at a loss.

Is there any documentation with a kind of step-by-step instructions? Can you give me a hint, please?

Here are the details:

Source: linux mint 20.2 uma Thunderbird 115.18.0esr 11th of december 2024

Destination: linux mint 22.3 zena Thunderbird 140.7.0esr

Thank you in advance for your help.

I'm begining to regret installing v146.0!

One of the most useful features of Firefox is the PDF editor and with this update, I've found that after annotating a PDF with several text boxes, clicking the text box icon (as shown in the attached screenshot) does absolutely nothing and it is impossible to enter any further text. The only way out of this is to refresh the pdf (after saving otherwise all changes will be lost) and then starting all over again only for the error to repeat itself making the editor almost unusable. Would really appreciate knowing how to work around this especially since to make my notes clearer, I change the color and the font size which is all lost everytime I have to refresh the PDF :-(

Incidentally, why are there so many updates? I prefer stable software that works rather than 'new features' that I never use!

Finally, Firefox used to have an amazing facility of making the Firefox private browser the default browser for Windows 10 but this was removed some years ago and can only be reinstated by changing registry keys. Everytime there's an update, these registry keys are overwritten :-(. Why was such a useful feature removed please?

Thanks in advance.

I would like to change the authentication method to OAuth2, but it doesn't appear in the drop-down menu.

My Thunderbird version is 140.4.0esr (64-bit). I have all cookies set to allow.

How do I change it to OAuth2?

Tried exporting profile folder again today. Somehow it was different. When I clicked on exporting it opened the profile folder and there were 2 profiles in there, one from 9-8 and one from 2023. I don’t remember seeing this before.

I clicked on the newer file and told it to export. It started, ran up to 50%, then stopped.

In the upper left corner on my screen, it said “Thunderbird not responding”. I don’t know why. It offered me an option to wait for Tbird to respond, or cancel the action. I opted to cancel even tho it said I might lose data.

When I did it asked me to put in the last dixc of the multi volume set. I have no idea. I’m out of the program now. None of this happened with the 2 exports I did before. And when I cleared the flash drive of yesterday's file, it had ) bytes of data on it. What do I do now? I have a lot of Tbird already set up, just need mailboxes and addresses, I think. Is there a workaround? Can I copy those items from the old desk top and paste them into the new lap top program? Thanks for your suggestions. Stacy

I have an existing Tbird account for my Gmail emails. Have set up a new Tbird account for my Outlook email account. Would like to move all emails, including folders and subfolders, to my new Outlook Tbird account (with the intent of closing my Gmail account altogether).

Would appreciate learning the steps to ensure the emails, folders, and subfolders are moved from Tbird Gmail account to Tbird Outlook account

My Spectrum password was changed and now I cannot get direct access to TB. For some reason TB is not linking up with Spectrum password. I get a popup panel saying "Login to server Mail.TWC.Com with username jomar159@hvc.rr.com failed" Retry Enter New password Cancel I have 2 accounts on TB 1 is wmarks1 and the other is jomar159@hvc.rr.com HELP

Suddenly, the body of some my older emails are blank, and their attachments missing! It is sporadic, and there are not specific date windows for when the email bodies/attachments are blank. Some are from a few months ago, some from years ago.

I am a "regular person" email user and have ZERO IT or coding experience. How can I recover the content of these blank emails? Specific, step-by-step help would be much appreciated. I hope to continue using Thunderbird and not have to abandon it.

I run Thunderbird on a iMac, and I use POP to sign in - I think.

Thank you.

Whenever I get an email that says they are including an attachment, the attachment is never there. What is going on and how to I get email attachments. Any help is appreciated.

Thank you

I am on Thunderbird Flatpack version 115.5.1 and I want to transfer to Thunderbird for Android, how do I do that, please? I am running on Chromebook using the Linux partition. I have exported the profile to a zip file, but Thunderbird for Android won't read it. The zip file is 2.5GB so maybe it is too big. But I am not adept at Linux and I can't find my way to the profile files for a manual copy. When I go into Troubleshooting Information the Profile Directory - Open Directory button does nothing. Alonside it it says "(Lolcal drive)". Maybe I should upograde Thunderbird first, but how do I do that, please?

Firefox iOS updated this morning to 143.1 In private browsing it’s in dark mode automatically and won’t change even if changing to light in the settings.

Any help? Steve

My wife and I have separate emails and we also share an email account. My laptopn has Thunderbird profile set up to receive from both and data is held on our local NAS Wifes Laptop does the same and her data is on her folder on local NAS. For the shared email, we can each access and it creates a local copy on BOTH of our respective folders on the NAS. Whilst this works, i cant help wondering if we're setting up a sync loop. THe shared email isnt used much, but is there a way that we can share the exact same files /data for the shared email on the local NAS. ie. Still have one view in Thunderbird client but have the shared email data be on a common shared folder. Still keeping our separate profiles. This worked for Outlook pst files. But New Outlook is a disaster hence moving to THunderbird. . This seems to be a simple scenario. 3 email accounts 1 shared. 3 local data sets. One shared. 2 separate laptopns and THunderbird installations. One common local NAS. ANyone have any guidance for best practice ? THanks

I tried to start Thunderbird and it would not open. There was a message that read, "Your Thunderbird profile cannot be loaded. It may be missing or inaccessible." After trying to fix it and nothing worked, I uninstalled and reinstalled Thunderbird. Now all of my contacts and data is gone. When I tried to use the import tool I selected import from another Thunderbird installation and I can't get past the continue button.

How do I recover all of my data and contacts/addresses?

Something horrible and time-consuming has changed within this past week to Thunderbird. My version is 140.7 1esr 64bit. Over the past 4 days or so, I've found I cannot scroll down and see the full emails--until I have to use this new pop-up system.

This is definitely not an improvement in my estimation. Is there any way to undo this?

Something happened that took away my 'get messages' button and my 'write' button and the others that used to be there.

I can find nowhere to add these back. When I try to adde them back in view-toolbar-toolbar settings, 'SAVE' is greyed out.

Either I am a real dumb user or this is a real dumb bug that cropped up today.

I have no way to get messages or write one now.

MACOS Tahoe 26, 140.3.0esr (aarch64)

why can't I ask the actual writers of the program for help, instead of the community? The community is not in charge of writing this program, nor the cause of its problems. The programmers are!