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As a twelve or more years user of Thunderbird, I find it to be okay most of the time. I hate the spam folder that does not learn and I hate threads.

Today all of a sudden, I cannot save photos sent from my iPhone as jpg. I have always right clicked and a menu has appeared. Today, the right click just zooms in which I never want to do when I am trying to save.

I tried searchig online first before coming here. Apple is claiming that Thunderbird developers made a mistake and that is why the right click is not working. AI had me try a bunch of different techniques none of which worked.

When I do save after much effort, the "photo" in my Animals folder appears as the Thunderbird logo instead of the real item itself. The other weird thing is that my folders also do NOT show up where they should when I am trying to save. The menu doesn't give me all the folders as it always has. Instead it just say All Files which is not adequate.

Bonjour,

Depuis plusieurs semaines, je ne peux plus du tout joindre de pièce à mes mails.

Pourriez-vous m'aider à résoudre ce problème, svp ?

je vous en remercie par avance.

Bien cordialement

Subject: Thunderbird fails to send multiple PDF attachments – Server timed out

I am using Thunderbird on Linux Mint 21.3.

Thunderbird sends ordinary emails without problems. However, when I attach two specific PDF files received by email from my bank, sending fails with the error message “Server timed out”. The message cannot even be saved as a draft.

The files are very small (148 kB and 54 kB).

I have established the following:

Each PDF can be sent individually from Thunderbird after renaming it.

Sending the two PDFs together fails, even after renaming them.

Forwarding the original email containing the attachments also fails.

Sending the same attachments together via GMX Webmail works immediately.

Other emails sent through Thunderbird work normally.

This appears to be a Thunderbird-specific problem involving multiple attachments or the processing of the original email, rather than file size or a general mail-server outage.

Could you advise how to diagnose this issue and identify the cause?

System: Linux Mint 21.3 (Virginia), 64-bit.

When I want to insert images into an email, I use the "Send via email" option. I am then prompted to "Select image size," after which I click "Attach." At this point, a Thunderbird window should open with the files already attached—but it doesn't. What am I doing wrong?

I'm using TB 157.0.1 on a Mac.

When I want to attach a file to an email, I click on Shift+Cmd+A.

I want to be able to navigate to a folder where the file is, then search for the file by name within the folder I navigated to. But it doesn't quite work that way.

I navigate to the folder, enter the file name in the search field, hit Return, and TB searches my entire hard drive. How can I force TB to limit the search to the folder I navigated to?

When I hit Return (or Enter) and TB searches the entire hard drive, the window that displays search results has a field I can click on that will limit the search to the folder I navigated to, but I'd like to eliminate that extra step. I'd like to set a default when searching for a file to attach so that search is limited to the folder I navigated to.

Is that possible?

Hello everyone. From time to time, the "Attachments" button stops working. It can be clicked, but nothing happens. Occasionally, restarting the PC or the email client helps. More often, the only solution is to reinstall the entire program—which also means losing access to years' worth of emails, as I then have to wait for them to be re-downloaded from the IMAP server. What should I do? I’m using the latest versions.

Dear Support

Kindly help me in solving the problem of not being able to attach files in my Thunderbird emails. Thank you Yours sincerely Ana Cristina Figueiredo

Since the Thunderbird update of 30 Sept the ability to attached files to my emails has 'vanished'. I press the attach 'button' but there is no response. Never had this as a problem before. I am running Windows 11 home version. Help!

Thunderbird flatpak -1.0 I recently lost the ability to attach files of any kind to messages. when I click the button to attach, no option to choose messages from files are available. I cannot go to the file and share with Thunderbird. I cannot copy a file and attach it. I have tried restarting Thunderbird, and my system (Po_OS Linux) with no result. thanks for the assistance!

Trying to attach a file to an email, the "attach" button opens but doesn't react choosing "file", where the function worked seamlessly before. What can I do? - Many thanks for hints!!

Hello, We are writing to report a technical issue on behalf of the State Educational and Methodological Institution "Educational and Methodological Office of Bobruysk" (email: [redacted from public] @uobobr.gov.by). An interface failure occurred in the Mozilla Thunderbird program starting on October 9, 2026. Specifically, the "Attach" (Вложить) button has stopped working and does not respond when clicked. Could you please help us resolve this issue or provide guidance on how to fix this interface glitch? Thank you for your assistance. Best regards, The Team of the Educational and Methodological Office of Bobruysk

I have created an email and then want to attach a file to the email but when I click on attach it does nothing. I have done this many times before today. Has something changed that I need to look at?

bonjour, depuis quelques jours il m'est impossible d'attacher une pièce jointe à mes envois de message avec THUNDERBIRD... bouton "joindre" inopérant.. bug constaté sur mes deux ordinateurs (bureau et portable) équipés de: - Windows 11 - Thunderbird 157.0.1 Merci Cordialement Jean