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Periodically I open Friefox and all my cookies have been deleted. I go into settings to find "Delete cookies and site data when Firefox is closed" has been checked (NOT BY ME!) again. This is very annoying as I then have to log into all my websites and go through 2FA. This is annoying to the point that I am posting on this site for help. Next step is find a new browser that doesn't screw up my work-flow randomly for no reason.

When I downloaded the Thunderbird app to my new laptop and opened it, it already had a fortnight's worth of recent messages in the Inbox, plus many of my Sent messages. However, the remainder of the Inbox, dating back to 2010, was not there, neither were my address books. Why didn't a clean copy of the app download so I can import my Profiles? In addition, my old laptop uses POP incoming, but the new laptop seems to be configured to IMAP. Is this a problem, and if so, which should I choose for the new laptop?

Hi, I would like to know how to remove the sender's email address from the "from"/"correspondents" field. So i.e. instead of "GOG.COM <newsletters@something.com>" I want to see just "GOG.COM" like it was in the previous version (this appeared today after auto-updating to Thunderbird nebula or whatever it's called now).

This change make it much less readable and cluttered and I really, really don't like it.

Is there a way to expand the email message pane? In my current setup, the message pane shares the full Thunderbird window with several other panes - folder pane, message thread pane, etc. For most emails this is adequate, however some emails are lengthy newsletters or articles, sometimes also including images. Is there a why to view such emails perhaps in a separate tab where the email essentially fills most of the window below the menu bar?

Trying to install T'bird on a new computer. Already have it installed on three PCs and two tablets. Server setting is POP.centurylink.net but T'bird only gives the option for POP3.xxxxx. Using POP3.xxxxx won't let me configure the account. How do I fix this problem? Thanks,

Each year I set up a new profile under same account and call it 2024, 2025 etc. I set this up for 2025 but I get the response "Thunderbird could not connect to the server gmail.com. Access refused" I tried sending mail but get "Sending of the message failed. The message could not be sent because connecting to Outgoing server (SMTP) failed. The server may be unavailable or is refusing SMTP connections. Please verify that your Outgoing server (SMTP) settings are correct and try again. I have not had this concern before. TB Version 128.1.1esr running on 64bit pc. I made sure that all the settings are the same as 2024 profile. POP3 account, using the same email address for over many years. Checking: Server Type POP Mail Server Server Name .gmail.com Port 995 Connection Security SSL/TLS Authentication Method OAuth2 Outgoing Server myemail@gmail.com - .gmail.com (Default) Setting up I got to end to end encryption but didn't know how to apply my existing Openkey. Nothing stored in OpenPGP Key Manager Window

I just want to get connected at this stage. Can you help me please and thank you.. Regards David

Hi. On Windows 11. after adding an ical calendar, Thunderbird immediately stops responding. If I then stop and restart Thunderbird it continues to not respond. 1. Is there a simple way to revert to the state prior to the addition of the calendar? Or can a point of consistency be established prior to adding the calendar to make reverting to this point a possibility? 2. I presume that there is some issue with the contents of the ical. Is there any way to work out what might be the issue that Thunderbird is not handling? The calendar is a Google Calendar and works fine there. Thanks in advance.

After the last Firefox update, my bookmarks list only highlights the thumbnail image. The descriptive text which was previously in white colored text is no longer colored but faded and not readable. How do I resolve this problem? Zak

There are 2 questions in the Q&A section without any reply. I have no idea what has transpired since this morning when the dates were perfect. I went out for about 3 hours and on return the clock is showing a 12-hour clock without am or pm. So searching by date and time is a laborious process. I cannot find anything in settings relating to 12 or 24. What am i missing? Thanks

I need to set up a reoccurring task for the 2nd Tuesday of the month, but can not find a way to do it except to manually populate each month. I would think this would be a common type of task, but all my searches are coming up empty.

Thanks!

I was told to create a new profile to resolve performance issues. I did. Now I can't find the settings to get back my single-line message list with column headers. Please help

Not sure if this Settings or what.

I was attempting to add a gmail address (one of mine) to Thunderbird. I got what you see in the attached. It's taking up one of my two entire monitors. (I'm writing via the 2nd monitor.) There's no title bar. The listed links don't work Ctrl F4 to close the window doesn't work. It's stuck there (Hung).

AND, "ALLOW" doesn't appear.

I'm going to have to reboot. But I really need to set this up.

Thanks, Kami

Hi,

I switched today from 115.16.1esr to 128.4.0esr

And now there is more whitespace between the folder-lines in the Folder-Pane. The font-size seems to be unchanged. As I have very long folder-lists, this is very annoying as they are now even longer to scroll.

Actually I can switch between those releases, meaning I can compare any suspected change.

How can I reduce the whitespace back to the size I had before ?

Thanks

PS: I really don't understand why this was changed for existing profiles.

I'm running Windows 10 and recently switched from the ESR Channel version (128.11.1) to the Release Channel version (139.0.2) and, since then, have started having a problem where the unread email count displayed on the system tray icon and also the count on the Taskbar icon are no longer correct. Most incoming, unread emails aren't counted. This feature has always worked correctly for me previously, ever since I first installed Thunderbird several years ago. When I go into Thunderbird, the count of unread emails in whatever folder they're in is still correct, the problem is just with the counts on the taskbar and tray icons.

I'm not 100% sure, but I *think* it might be the case that emails which end up in the default "Inbox" folder are added to the counts, but those which are automatically allocated on arrival to other folders on the basis of filter rules aren't being added to the counts displayed on the icons. I have searched for others reporting the same issue and haven't been able to find anything, so it seems unlikely that it's a bug. I'd greatly appreciate any help in resolving this issue please.

This is for POP email. The displayed inbox size is incorrect. With my Inbox empty, "Show folder size" shows 10.6 G in left panel of display. This exceeds max folder size of 4G so something is not working correcty. In addition, MBOX Inbox in Thunderbird Profile also shows 10.6 G. This is important to me because this large file size is preventing me from loading Profile on to flashdrive for purpose of migrating to a new computer. Flash drives wil not accept it and give an error message. In addition, I don't want to start a new installation with bad data.