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Confused. Version 144.0.1 | Released October 16, 2025 Says 32 bit. I thought I downloaded 64 bit.

Problem: Freezes when I click anywhere on TBird desktop

How do I address the freezing problem?

Thanks Robert

There is no immediate delete "trash can" in the message card view. Why?

Many messages can be deleted as you view them in the card. Additional steps, such as highlight-delete or clicking the dots and then deleting, are extra steps that are not only inefficient but also extremely annoying.

Can this be fixed, or is there a step I have missed to add a trash can to the card display?

I have several accounts in Thunderbird. I have never (intentionally) used the archive option. Yet, one of my accounts now has an Archive folder that I cannot delete. No option exists when right clicking the folder and I cannot drag it to the trash. It has no emails in it, and never has. Its possible its been there a while and I just didn't notice, bu AFAIK its new.

I have gone to Account Settings Copies & Folders...and the "Keep Message Archives in:" is unchecked. Further, I checked all accounts to see if one of those might be 'checked'...just with a folder specified in a different (wrong) account. Not it.

I've restarted. I'm at a loss as to how to clean this up.

Any help would be appreciated.

Thunderbird 144.01...that I upgraded to 145.0 when checking the version to report here. No change.

Am getting this message along with a recurring download of a specific email (keeps coming back even after deletion) that does not allow any other new messages to be downloaded. I do see new emails on my phone but will not read into Thunderbird??

Error: "Unable to write the email to the mailbox. Make sure the file system allows you write privileges, and you have enough disk space to copy the mailbox."

Tried: Troubleshooting, closing Thunberbird and reopening, rebooting windows system, compacting, etc. to no avail....

Every time I want to print an email, the default copy number on my printer menu is shown as 2.

I don't know how, when or why this change [from 1 copy to 2 copies] happened.

I wish to 'reset' the default copy number to 1, so I don't accidentally print a second copy and waste ink, etc.

When I want to print documents stored on my PC, the copy number field on the printer menu is blank, allowing me to enter the number of copies I want - so the issue appears to occur only when I print emails.

OK, so I have 4 different emails on my Thunderbird account. I get the most email from my usa.net (Netaddress.com) account, but that has never been an issue -- as my inbox gets huge I just move the contents into a dated archive.

I have already looped back to the people at usa.net and all of my settings are correct.

Here is the issue: Out of nowhere, a few months ago, when I tried to download my USA.net email, it would stop after 100-200 emails. Also, it would NOT "register back" to USA.net and show the downloaded items as "gone" (I checked my settings; I am NOT leaving email on the USA.net server).

I even tried deleting a ton of emails on the USA.net server side via webmail, and it still just stops after 200 messages max. I then need to dump out what was downloaded to another folder or I get the error below (see upload).

I hadn't changed anything on my settings when this started. USA.net DID start a requirement several months ago RE using SSL, but I didn't have problems when I initially made the switch.

Help, please! When it stops downloading I either get no message, or I sometimes get the message shown.

How to fix please? Again, this is the ONLY email account that I have this problem with; if some kind of "limit" was being hit it wouldn't be letting me download from other accounts, including my "business" email (basically I use USA.net for all of my newsletters, online purchases, etc).

Thanks so much.

On the 20, of October I was forced to re install Windows 10. Kept my data but I had to re install all my apps. With Thunderbird I follow the same procedure I used with Firefox: After installation I copied the profile folder from my backup and replaced the new one. That worked out well. With Thunderbird, I followed the same procedure, all my emails where there but not my local folders. I am attaching several snapshots to illustrate my steps. Image 1 "local folders now" Image 2 "Profile Folder". (why there are 2 sub-folders)? Image 3 "Mail in the profile folder" Image 4 " List of folders in my Local Folders" The are there, how do I get them back on Thunderbird in the correct place "Local Folders"? Thank you for your help again. Regards Ilio Pieroni

I have been reading the posts re this problem; there have been quite a few. Ever since I updated to Win11 (a week ago) and installed the latest version of Thunderbird, I have not had any option to allow external content in my emails. There used to be a yellow bar above the email body with an "options" button. There isn't now. I have tried checking "allow eternal content in messages" in the settings; no change.

There was a suggestion to work around this by pointing at the message and choosing "unencrypt email and copy to...(choose folder)" from the popup menu, and then read the unencrypted message in that folder. The menu I got only had "copy email link" and left me to decide what to do with it. A newsletter in HTML is very hard to read. I don't want to work that hard.

Others with this problem were using Bitdefender, and you seem to have concluded that this was a problem with Bitdefender and doesn't need any further help from Thunderbird. I do not use Bitdefender. I hope you will change your minds and address the problem. I liked Thunderbird before, and now it's turgid and hard to use. Should I downgrade to an older version? If so, please tell me how.

Some time back I learned that going to config and changing "mail.delete" from FALSE to TRUE would change the way deletion worked so that after deleting a message the cursor would move to the next most recent message instead of the subsequent one. I've now decided that indeed I preferred the default setting of FALSE. I have changed it back on my two PCs, both running Win11 24H2 and TBird 128.14. On one PC the direction was changed back to the default direction, i.e. go to the subsequent message. On the other one it still moves to the prior message. I think I have done exactly the same thing on both PCs. What do you think I might be doing wrong?

I'm using a Windows 11 laptop with a 14" laptop with a 1920 x 1200 resolution. I'm using Thunderbird to access 5 email accounts, calendars and cardBook. I'm looking for suggestions and tips about the best layout to maximise the display of my email information with the minimum of scrolling.

Thank you.

I've been using Thunderbird for several years now and make a donation most years over recent years. The only thing I don't like about it is there is now way to block a sender.

two images. first image, the email that I SENT TO MYSELF, from my android phone, captured a product link, sent the link to me, and opened it on my desktop (or even opened on teh phone) and the HTTP link does NOT indicate it can be open,and if i hover over it, it does not open either.

BUT, if I FORWARD that same email to me (opened on desktop, forwarded to my email, and opened on desktop), it ALLOWS me to open it. why are the links not working if i send myself an email from my phone (where i browse products, etc, and caputere the links)? any assistance appreciated, thanks

14 Nov. I have been unable to solve the problem of needing to sign in to Thunderbird using Google. I have gotten myself into some trouble, and almost got scammed by trying to get help from on line providers to accomplish this. Some Dell technicians have the suspicion that my version of Thunderbird may be corrupted. I am going to take my Dell desktop to a computer shop tomorrow. I am hoping they will install a new form of Thunderbird onto an external computer, and then let me try to log in to Thunderbird on that version. If that works, then it will be an indication that the version I have been using on my Dell desktop is corrupted. The plan in that case would be to have the technician transfer all my Thunderbird data to the new version of T-bird on the external computer. Then he could install a new, fresh version of T-bird on my computer. Finally, he could attempt to return all my Thunderbird data from the external computer back onto the new version of T-bird on my computer. I am afraid that my Local Folders and their contents will not be transferred back to Thunderbird on my computer. I'm afraid that all my local folders will be lost. I'm not sure whether the technician will have to make a Thunderbird-Profile_back up before he removes the Thunderbird data from my computer. We'll see.

Hi

I have Thunderbird 145.0 installed and made the settings for my Outlook mail account as you can see in the screenshot. I do not want the client to automatically check for mail.

However, each time it starts, I can see the notification in the bottom left bar, it will check for mail on the noted server. Those messages are then downloaded, if present.

The options to do that are not ticked, nor the option to check.

Any ideas how to stop this please..?

Thanks

When T-Bird sends a message with an in-content photo, is that photo compressed to save space and transmission time?

I converted from Eudora. Eudora would compress in-content photos to save space and transmission time.

If T-Bird performs a similar action, is that compressed file saved somewhere?

I installed Thunderbird on a new (used) computer running Windows 11 Pro using the old computer's mail account and password. Thunderbird seemed to connect automatically to the webmail. However, when I click on the email button the program makes me enter my name and password (already entered). Then when I click on next I get - Error Creating Account. What do I do now? Thanks.

Regards,

Dave [edited from public] @centurytel.net

Dear Support, when I forward a message, it gets successfully forwarded to the recipient, but the forwarding message itself is lost -- it's not in the Inbox folder, and not in the Sent folder.

The only indication is a forwarding icon in the forwarded message.

My settings are attached. I'm using IMAP with FastMail. I checked the Web interface and don't see the forwarding message there either.

I also tried selecting the `Sent Items` folder manually in the settings, no difference.

Here's a slightly trimmed `MOZ_LOG="IMAP:5,timestamp"` output https://gist.github.com/igrekster/f694698e4033637f2dd5d6202d99341d

Thanks!