How to Uninstall Thunderbird on MAC?

Mozilla Thunderbird is very simple to uninstall or install from any device. Uninstalling the application is not a hard task, it leave behind a folder of all your Thunderbird data. To remove the application completely delete stored data.

Uninstall Thunderbird from computer

  • Go to the windows start menu
  • Select the control panel
  • Go to programs and click on the uninstall a program
  • Select Mozilla Thunderbird from list
  • Now click uninstall option

Setting up Mozilla Thunderbird

  • Select on “tools”
  • Click on the “accounts settings”
  • Click on “add mail account”
  • Enter your name, email address and password
  • Now click to “continue”, your account will automatically set up
  • Click “manual set up”, then click on “server settings”
  • Enter your full email address as user name
  • Click on “outgoing server”(SMTP)
  • Highlight new SMTP server and click on “edit”
  • Go to security and authentication section and enter your full email address
  • Change the port from 25 to 26
  • Click ok to finish

Uninstall Thunderbird on MAC

  • First download Mac Remover and install it
  • See Mac Remover and select Mozilla Thunderbird
  • Click Run analysis to proceed
  • Review Mozilla Thunderbird files and click on complete uninstall
  • Go in the pop up box and click on yes and confirm the removal of Mozilla Thunderbird

106 thoughts on “How to Uninstall Thunderbird on MAC?

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  27. Copying profile data from old computer broke addons
    I have recently upgraded my computer to an entirely new computer running Windows 10. I used Thunderbird on the old computer, as well as ExQuilla and Lightning as well as the Provider for Google Calender and G Contact Sync

    I installed Thunderbird on my new computer, which came with Lightning. I installed ExQuilla. I had some difficulty setting up an account with ExQuilla, but that is not a matter for this thread.

    I then transferred all my profile data from my old computer using the method described here. This is important because I have offline storage of my personal e-mails dating back to 1997.

    This seemed to work in that all my locally stored mail was present, organised as before, and my non-ExQuilla mail accounts worked. However, I found that Lightning and ExQuilla had stopped working: Thunderbird behaved as if they had never been installed, except they are both listed as installed and enabled in the Add-ons Manager under “Extensions”.

    A further complexity: it had also listed a number of other older add-ons that were not compatible with the latest version 68. One of those was Provider for Google Calendar, another was G Contact Sync. Using the automatic update option, these appear to habe been updated to compatible versions, and at least G Contact Sync appears to work (in that there is a menu for it – I have not tested further at this stage, but it is at least recognising it as being installed). I cannot test Provier for Google Calendar without Lightning working.

    Any assistance would be greatly appreciated.

    I suspect you were using an older version of Thunderbird such as 60.9.1 on the old PC while you are using 68.3.3 on the new PC. In some cases using tools -> add-ons -> “check for updates” might not update the add-on, and you will need to delete the broken add-on, and try installing the latest version. In a few cases you may need to search for a similarly names add-on that is version 68 specific. For example ImportExportTools has been replaced by ImportExportToolsNG.

    Lightning can cause problems because its bundled. The latest version is at … ng/?src=ss . See … a-versions if the update is stuck.

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  29. Tried to create an account for a gmail email-can’t
    I tried to create a Thunderbird account for a Gmail address and get the message that the configuration was found (and used) from the Mozilla ISP database – but after I keyed in all of the information (i.e. password) and keyed on DONE I am told the configuration or password or name is invalid.

    Is there anything I can do?

    I have entered (i.e. created) several other accounts for other Gmail addresses without a problem.

    I used Google search to look at the database, but the Gmail address in question was not there.

  30. Converting from ATT POP to Oauth2 IMAP
    I am trying to convert to IMAP OAuth2 following these instructions:

    I am having trouble with transferring local messages to the IMAP account. When I try to drag Local Folders->Templates (or any other local folder) to the IMAP account, I get the circle with slash symbol. The instructions seem to be wrong, so how do I transfer the local folders to the IMAP account? TIA.

    Before you proceed, try to check that Thunderbird supports oauth2 when used with AT&T. I thought I heard that there is oauth2 support for gmail, yahoo and probably outlook, but that because some at&t employee and Thunderbird developer have miscommunication there is not any support for at&t.
    You can use Thunderbird with a “secure mail key” and at&t, to my knowledge. For now, other methods may also work, until they decide to stop them.

  31. Has Thunderbird Downloaded All My Yahoo Mail?
    I am not sure how Thunderbird works. I thought it downloaded all my Yahoo mail once I set it up and pointed it to Yahoo.

    It lists emails going back 19 years. But just now I was idly looking back at the beginning of the list and tried to open a couple of them, a few of them, and they all failed with various server errors or something.

    So apparently Thunderbird has been looking for them on Yahoo’s servers.

    So does it just download the list or does it download all the emails?

    Can it be made to download them all? Because that’s really what I’m looking for.


  32. Receive but not sending e-mails
    I use TB 38.5 and W7 and upto now, all good, receive e-mails no problems but now in sending, I get this message

    [i]An error occurred while sending mail. The mail server responded: Authentication required. Please verify that your email address is correct in your account settings and try again.[/i]

    Sending worked perfectly a few hours earlier & I can send OK from my Webmail..

    from TB, I use Pop mail server

    what is the next step please?

    Problem fixed , my ISP changed/updated its outgoing mail server & all clients who use a 3rd part system like TB may have to change some account settings.

  33. TB 68.3.0 is still not avialable for download
    The links on the systems and languages section of the web site have been updated but the main download link hasn’t yet. No idea why. I did a Help > About Thunderbird and received the update yesterday.
    If the user received a notification they should have been able to click the update link in the notification or dismiss it by clicking “Not Now”.
    Linux Desktop – AMD Athlon(tm) II X3 455 3.3GHz | 8.0GB RAM | GeForce GT 630
    Windows Notebook – AMD A8 7410 2.2GHz | 6.0GB RAM | AMD Radeon R5

  34. Global search gives less results than Quick Filter
    By default, global search doesn’t find some messages which appear only in quick filter. Specifically, it finds a message, but I’m interested in the other party’s Re: to that, which only quick filter shows.

    I haven’t even touched the settings. Why is this? I’d love to switch from Gmail’s web client but this sub par search is a deal breaker.

    EDIT: out of frustration I told Thunderbird to download all messages, not just ones smaller than 50 KB. And now it finally shows in the global search. So why did quick filter find it first? And how can I find the size of an email to begin with, to know which emails are affected?

    Without knowing what search parameters you were using in each case it’s hard to answer your “why” question. It could be that the Global Search index did not initially contain the data to match your search criteria. Changing the accepted size of messages to download may have triggered an update of that index and caused the better results you saw.

    Try closing Thunderbird and navigating to the profile folder ( ). Locate and delete the file global-messages-db.sqlite. This is the index for the Global Search. Launch Thunderbird and allow time for that index to be rebuilt before testing for search results again.

  35. Migration from Zimbra to Thunderbird
    We are migrating mailboxes from Zimbra to G Suite.
    I have done an export of mailboxes from Zimbra to TGZ format.
    I would like to import the tgz file into Thunderbird and use Thunderbird to consult the archive without connecting to mail server.
    I have converted the TGZ file to MBOX format
    I have installed the ImportExportTools NG module

    When I launch “Import a Mbox file” : the dialog disappears and nothing happens.

    Does somebody has experience with Mbox import ?
    or with TGZ to Thunderbird import ?

    I just tried importing a mbox file from several of my IMAP accounts into “Local Folders” using ImportExportToolsNG. Works fine. I’m using version 68.3.0 under Windows 10. You should have gotten a popup window titled “File import mbox” that asks “Chose the Import way:”.

    It almost sounds like you are using a version of the add-on that doesn’t support 68.3.0. Can you display the options for that add-on? That’s a quick sanity check that the add-on is compatible with your Thunderbrid version. I’m using version 4.0.4 of the add-on.

    I suggest you create a test profile with one account, install that add-on, and see if it has the same problem.

    If that doesn’t help you figure out whats going on try just copying one of the mbox files into a sub directory in “Local Folders”. Thunderbird should discover it and automatically create a corresponding *.msf file (folder listing)

    My experience is that its much easier to migrate folders via IMAP. If you want to automate that have you considered using something like imapsync to migrate mailboxes between IMAP servers ? … MAP_backup

  36. Preview does not show preview
    Usually Print Preview bring up a preview of the email which is to be printed (as you would expect). Today there is no actual preview, only a series of panes across the screen showing the printer options. This is not really a preview. How can I get the preview back?

  37. Can’t shutdown except reboot.
    What my title say: Although I can apparently close, I have to shut down the whole computer or reboot.
    Win 10 Pro desktop, but now 64-bit latest Windows 10. Usually latest or latest-1 Thunderbird on this machines.

  38. I changed my primary email account in Thunderbird (which was first in a list of several accounts) to IMAP from POP. I did so by backing up all my email, deleting the account, and re-creating it using IMAP. Doing so caused the account to be listed last. I want it to be the first account in my list again. How do I do this? Thank you.

  39. Hello, I noticed that the spell check on Thunderbird does not work any more. I went thru my mail manually and found errors. How can I fix it?? “Spell checking before sending” box is marked and I never changed it. What happened? Why it stopped working?

    I noticed that TB has more issues than before. This is one of them.
    I’d appreciate any help and a tip.

  40. I moved the profiles folder from one PC to another, like I have done since 2004 multiple times before, so I know what I am doing, but for some odd reason I can no longer connect to my 8x GMAIL POP3 accounts, however I can still send email okay from them. Visually everything looks fine, all emails are there, all folders, all accounts, etc etc. I have tried EVERYTHING. I tried safe-mode, no good. I have turned off and on Less Secure Apps multiple times, I have signed in and out multiple times on the desktop, I have done the “unlock” feature for when you type in a CAPTCHA on Gmail on the desktop. I have allowed Thunderbird third party access, and this shows up on my account page, I have tried to delete and re-add the accounts, still nothing, I have tried clicking “sign in as admin” too to the compatibility option. I have also tried multiple different versions of Thunderbird, from the exact same one that was on my other PC to the very latest and others in between.

    I don’t get an error message, it just says down the bottom left on the screen “[email protected]: connected to…” and stays on that mention indefinitely, it doesn’t download anything or give any errors. If I delete the gmail account info and try and create it again, it won’t let me get past the test account screen as it says my username or password is incorrect, but it isn’t, as I can log in to the desktop with it and I can see the passwords in Thunderbird, they are correct, also none of the 8 email addresses have changed passwords from when I set them up in Thunderbird and happening to all 8 at once wouldn’t make sense.

    Even though I have the settings correct, I have also tried every other encryption setting/combination possible. The work-around I have done, because I can still send from the gmail accounts, is forward the gmail emails to a working non-gmail account, so I still get them, and can still send, but clearly there is something wrong I want to fix if I can. I can’t understand how I can still send emails okay but not receive and get no error message.

    Any ideas ?

  41. I am using version 60.9.1 (32-bit), and I use Windows 10.
    I went to the Help, About page, and noticed that the update status said: Update Failed.
    Next to that, is a link that says download latest version. If I click on that, nothing happens.
    I am wondering what to do next?
    I’m pretty new to TB, and so would be grateful for any assistance.
    Thanks very much.

  42. I am having trouble creating a new TB email account, that links to my Gmail account. On the Gmail webpage settings, I have set the forwarding to use POP, rather than IMAP.
    Inside TB, when I go to create a new account, to link to this Gmail account, I select POP, and try to connect, but it won’t connect, saying that it cannot log in.
    I have double checked my Gmail username and password, and they are OK, so it must be a problem with the POP. I have checked the connection with IMAP, and it works.
    One thing that I tried doing, when attempting to get the POP working, was for the authentication, to use Normal Passowrd, rather than something called OAuth2 (I think that was what is is called.)
    Unfortunately, that didn’t work.
    I’d really like to set up the Gmail account on TB using POP, rather than IMAP, because I’d like better control over how my messages can be archived on my client machine.
    Thanks a lot for any help, it would be really appreciated!

  43. Hallo
    Habe von Win7 auf Win10 umgestellt. Seitdem habe ich im TB (68.3.1) im Posteingang und Betreff einen ziemlich großen Zeilenabstand. Habe versucht es über Extras – Einstellungen zu ändern. Aber ohne Erfolg.
    Hat jemand eine Idee wie man dass ändern kann? Vielen Dank im Voraus.

  44. I have quite a few email accounts inside TB. Some of the ones that I use often are down on the list, and not near the top of the list. Is it possible for me to shuffle those to the top of my email accounts list, so that I can group together all of my most used email accounts, at the top of the list of email accounts? Thanks for any suggestions.

  45. Hello guys,

    I am trying to switch from my webmail to thunderbird and there is one thing left fixing: The line-height in some received e-emails. Please see this screenshot of some text in an e-mail sent by amazon:

    You can see that the lines are way too close together for comfortable reading. How do I increase the line-height in such cases? I think this only happens in plain-text emails.

  46. Updated to 68.3.1 and lost SMTP connectivity with Gmail. I tried recreating the SMTP connection, but it too failed. I reimaged my PC back to 68.3.0 and all is good.

    I saw a similar thread in this forum for Linux, but it ended with v68.3.0.

    Release Notes said…
    CHANGED: Account setup is now using client side DNS MX lookup instead of relying on a server.

    I’m guessing that might be related.

    Please advise. Thanks!

  47. When I insert several animated GIF-images into a Thunderbird (60.9.0 (64-bit)) mail only the first one is actually animated.
    What can I do to force the other images to be animated as well?
    Thanks in advance for any tip.

  48. I did a screenshot of my TB accounts. They are both gmail based. But the folder structures are different. Is this something that I need to investigate exclusively on the gmail settings section on the web, or are there any options that I need to be aware of on the TB client, that can alter these structures, so that they can both look the same?
    The screenshot is here:
    (I don’t know how to embed this type of link in to this message.)
    I like the idea of being able to see the Spam folder, as in the account at the bottom. The account at the top shows no Spam folder. However the account at the top has an Archives section, whereas the account at the bottom has no Archive section.
    So, each structure has pros and cons. I’d like to try and “unify” them both, so that they both look and feel the same, and at the same time, both of them have useful things in them, like Spam folder, and and Archive section.
    Thanks very much for any suggestions.

  49. I’m interested in learning how Thunderbird is operated now that it has broken away from Mozilla – except for (as I understand it) Mozilla helping the Thunderbird operation with donations directed specifically for Thunderbird.

    Is there an ‘About Us’ or some informative official declaration available so I can get a better understanding of how the operation is organized; owner-wise and responsibility-wise? Who owns Thunderbird anyway – a small equity partnership? Is one person in charge, like an equity partner chairman – or some other hierarchy? What was the origin for Thunderbird breaking away from Mozilla?

    I think I’ve read that the Thunderbird staff are paid totally from donations, but I don’t know if that is correct. If so, how many paid staff positions are there? How many volunteers are there?

    How large is the team responsible for overseeing and approving the theme/extension add-ons made compatible (by a dwindling numbers of willing developers) for TB68+?

    Is Thunderbird a sinking ship, or do ‘the powers that be’ have a handle on things and the future looks bright?

    Any advice on learning more than the little [I think] I know?

  50. I have TB ver 68.3.1 32bit

    I don’t recall the name of the extension I had, but when I right click on the received message, I had an option to change or edit the subject line.

    I went to use it now, and it’s gone!
    I do not see it in my list of extensions.

    What can I do to retrieve it?
    I do not want to do a restore TB as then I would lose current messges.

    I looked under add ons to see if something similar, but all say not compatible with my version of TB

  51. tBird 60.9.1

    Only on my Bellsouth email on Tbird does this happen

    I either delete or mark emails as junk each day. When the trash gets full I empty it.
    The next day, all the emails I put into trash the day before, duplicate again in my inbox.

    Any suggestions appreciated

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  53. How to fix the addon for TB 60:

    1. Download color_folders-1.1-tb.xpi.
    2. Rename it to
    3. Unpack.
    4. Open chrome/colorfolders.js and replace
    “for each (var folder in folders) {”
    “for (let folder of folders) {”
    in lines 70 and 93.

    5. in /install.rdf set max version to 100.*:

    6. Zip the sources back to
    7. Rename to color_folders-1.1-tb.xpi.
    8. Install it to TB.
    9. Enjoy! 🙂

    If the above instructions are followed, will this add-on work for TB Ver 60.2.1 (32-bit)?
    If not, is there another folder-coloring add-on that does work?

  54. I was wondering if someone else has had the issue as when thunderbird closes does not save the tabs i tried going to the profile and remove the session.json and restart thunderbird but no luck,

    Running ubuntu 18.04 with thunderbird 68.2.2 64 bit

  55. I spent quite a bit of time over the years setting up many email accounts in Thunderbird.

    The time has come where I will need to migrate the settings and more to another Windows PC.

    Can this be done or must I go through the tedious step-by-step process of setting up each account manually? I am not concerned about the emails since the accounts are IMAP and Thunderbird is just a mirror of the web based email accounts.

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