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I'm trying to setup Thunderbird for my Google Workplace account. 1. In the default settings, I receive the error message 'Profile not found' when I try and add my Outlook .PST file 2. I can't see how to access Profile Manager so I've started Thunderbird from the command line, activating the Profile manager, i.e. Thunderbird -p. When I add a profile and try and access my Google gmail I receive an error that the configuration server could not be found. Note point 1 where the same account was setup correctly but in the default 'no profile'.

I want to delete all my bookmarks at once -- I have nearly 1,500. I already asked this question and the response I got showed me how to do this by selecting each one at a time. I want to delete them all, AT ONCE!

Not selecting each one and holding down the CTRL key.

Btw, I already explained this ... so, is there a way. I've tried uninstalling and reinstalling and not keeping the former settings. But the stupid bookmarks keep coming back!

My page throws errors in Firefox Nightly such as

Expected color but found ‘undefined’. Error in parsing value for ‘background-color’. Declaration dropped. preview.htm:1:1

and

Expected color but found ‘undefined’. Error in parsing value for ‘color’. Declaration dropped. preview.htm:1:1

The page references ten CSS files besides having dozens of its own CSS declarations. The issue is tha the reference provided to the error (:1:1) does not indicate where I can find the error. That is, I don't know which declaration is at fault. Is there some straighforward way to find the declaration in question?

Running Thunderbird 136.0 (current as of 14 March 2025) on Windows 11 machine. E-mail account is hosted on office365 and has a personal (i.e., myname@mydomain.com) SMTP error " Connection to server outlook.office365.com timed out" Parameters were set per recent article on thunderbird forum for office365.

Yet another sterling example of why change is usually bad. Why did Firefox, Google and other browsers (though don't know about Duck Duck Go) drop the 100 results per page option? I've always had that enabled and now that it was removed it makes searching extremely tedious and time wasting. Please offer a SIMPLE AND QUICK way to restore this option ASAP. Thank you.

Hello,

New subscriber here. I have been given the task to test the install and uninstall of the Purview Firefox browser extension using Intune. I created 2 groups in EntraID, one for each (install and uninstall).

I have no issues with the installation. Initially, I left the test device in the install group and then added it to the uninstall group to remove it. (this usually works with other apps, it worked this way with the Purview Chrome browsing extension as well other apps) but when I do this, nothing happens.

Next, I removed the device from the install group and added it to the uninstall group only. Once the configuration profile applies to the test device, it allows the user to remove it manually (before it did not) but the extension remains installed.

I have created a policy using the administrative template extension uninstall option as well as with the OMA-URI settings but the same happens. When i check the device configuration for the device in Intune, it says it succeeded but that is not the case. The OMA-URI setting I was not too sure about, but gave it a shot. I used the UUID value for the Purview Firefox extension

I am attaching some pictures and hope someone can tell me what I am doing wrong. I can add additional information, if needed. I have opened a ticket with Microsoft last week but have not called me yet. I ran into this forum today.

Thanks in advance

Hallo,

mein alter Rechner ist "gestorben", weshalb ich einen neuen brauchte. Vom alten Rechner hatte ich die drei Postfächer, mit denen ich "arbeite" gesichert und nun versucht, diese in der neuen thunderbird-Installation auf dem neuen Rechner einzuhängen, schrittweise, so wie in den FAQs zum Thema Import beschrieben.

Aber: Die alten Postfächer/Inhalte werden nicht angezeigt. Sie sind aber im Zielverzeichnis ".thunderbird" zu sehen und an der richtigen Stelle.

Ich bitte um Hilfestellung zur Problemlösung.

Danke im Voraus.

The situation is like this: I once reinstalled Edge, and then Firefox disappeared from the default browser options in Windows settings. No matter what I do, I can't make it appear again and set it as default browser. I want to ask if there's any solution, apart from reinstalling the browser,because I have a lot of data in the browser and I'm afraid backing it up and transferring it won't be convenient.

I've been using Thunderbird for years (decades), and just installed a new version. Using the "cards" display of messages in the inbox, I see that some new messages are kind hidden within the card of another message and want to turn that off. For example, I got a message on 3/30/2025. Then hours later, I see another card for this same message, and it looks identical to the first except that this second card also says "1 reply". I want to get back to the way it always was before, when the reply to the new message would just show up as it's own thing in the inbox, not as something tucked away underneath an older message. Just every message unique and separate on its own. How can this be done in Thunderbird 136.0.1?

A while back I noticed that my google calendar no longer sends reminders to my gmail (or rather, I suspect, gmail does not receive them). Yesterday I missed an important meeting because of this, so I want to get to the bottom of it. I verified that the reminders are properly set in my calendar, so I have to assume that they are going out. The pop-up windows do pop, so I assume that it is not on the calendar side. I also noted that calendar.google.com and gmail.google.com have the proper permissions to send pop-ups and notifications to gmail, which indicates to me that this end of the equation is working. (Don't know how to isolate the error further, though.) It seems that the Firefox settings need to be changed somehow. Any ideas?

Thank you!

Desktop PC running latest Thunderbird and Firefox. Started Thunderbird, instead of the usual tabs opening, it appears to have forgotten my accounts, asks for my email address, i.e. starting from scratch again. Starting Firefox, all previously-open tabs have gone, though bookmarks are all there.

Has there been some update which has wiped or reset Mozilla data? Yes, obviously I can go through setting up Thunderbird again but that will take quite some time and yes, I can use Firefox but many of the tabs I had open were there for a reason and it will take a while to find them all again.

Is there any way that the previous state can be recovered? My laptop has both applications running fine and I have paused Windows updates for a week, just in case the latest update caused this. Thank you.

For two weeks now Thunderbird has been acting screwy. I have posted a request already regarding those issues but haven't received a reply. (multiple postings of emails/deleted messages reappearing in inbox after being 'deleted', disappeared Notifications options in Settings, duplication of sub-folders which reappear when deleted,and so forth). The entire program appears to be corrupted. SO- now I've been attempting to download a fresh version to make make it right again but get an error message I can't open the download replacement/update/ (c first image) (c-images)

Please help. I have urgent need to send files.

Thank you for your prompt assistance. Rob

I bought a new computer and had to download Thunderbird again. I tried the most recent one, didn't like it, so randomly picked a previous release from 2023 (don't remember when I installed the previous one) and hoped for the best. In the past, I would keep some emails in my inbox and tend to them as needed and then keep or delete when I had done what was required. I would also need to go to my ISP email's page, to get spam email, because Thunderbird didn't provide me with those. When there, I would delete what was in the inbox, so I could easily keep letters there to a minimum. Now, however, when I delete something in my ISP's inbox, it deletes in my Thunderbird portal too. I can't find settings in my ISP's page to stop it from downloading automatically (so it won't duplicate what I've already received via Thunderbird), and I can't find any settings in Thunderbird, to ask it to keep what I have in my inbox, instead of deleting everything I delete with my ISP. Do I need to go further back and find an earlier release in order to be able to use Thunderbird as I used to do? Or can I tweak the one I have?

Since an update 4-5 days ago, Comcast SMTP server does not accept login from Thunderbird. Comcast help page said it was updating and requires a more secure SSL security. Today the Pop3 server does not allow signin either.

How can I select a more secure encryption that will be compatible with comcast.

Thank you.

Nov 2024 - How Do I disable Threads in the Email folders?

My Inbox I think I somehow disabled, but my SENT folder....still has them. Please help. I HATE this as a default setting that can not be turned off...Universally..(in all folders)

Thanks

Every time Thunderbird is launched, a new tab opens with a donation offer. This kind of persistence discourages not only donations, but also the use of Thunderbird. How can I disable this?

I have every about:config and settings option set to recommended to prevent autoplay videos. NONE work with yahoo. The vids will drop to the lower right hand corner but even if I click on the close window X they still pop open again. And again. And again. Is there a solution to this arrogant, self-centered behaviour by yahoo?

This is a feature request - not sure if it goes here.

I would like to arrange the toolbars in Firefox in the following order:

   Menu bar (top, with "File" on the far left and "X" on the far right, i.e. not centered)
   Bookmarks bar
   Search bar
   Tab bar

This can't be done currently. The best I can do is:

   Bookmarks bar
   Search bar
   Menu bar
   Tab bar

My request is that the user be able to arrange the position of the toolbars in any arbitrary order. Thanks!