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When I open something in an email in Thunderbird I also get an extra new tab along with the tab for what I am wanting. If I don't delete this new tab, when I try to return to my email page it takes me to my Windows 11 home page. It only happens when I use Thunderbird and is very annoying. What do I need to do to resolve this issue.

In a prior version of Thunderbird all the folders with new e-mails were grouped together in a separate pane that appeared at the top of the folders list. In the latest version of thunderbird, this feature appears to have disappeared. Is there a way to restore this feature?

Hi, I have 2 Local Folders and an additional Local Folders1 folder. I need tol remove two of them so my Msg Filters work properly. Do I need to edit an additional file inn my Proffile folder? Need some guidance please. Am I not following rules and guidelines? Thanks

Disabled in a nursing home.

I've been a Netscape-based user for almost as long as home IT has been around. Am attempting to finally take the plunge and get away from the Seamonkey Suite to use just Thunderbird for emails, and the wife would like some of the same viewing pane colors to be the same as she's used to.

Following assorted online suggestions for enabling the use of 'userChrome.css' to change the background colors of folderPane, threadPane and messagePane aren't having any effect. I've:

• Set 'toolkit.legacyUserProfileCustomizations.stylesheets' to TRUE
• Created 'chrome' folder and specimen .CSS file
• Added color values for the above properties
• Restarted TBird after each setting change attempt, but no views are changing

I've also attempted to make heads/tails out of guidance for using Debugging Tools to inspect elements to find/verify the current names of properties that I want to change, but have not been able to work that out.

I'm not a complete IT novice--I am a 20-yr sysadmin, not a developer. I can write PowerShell, but no HTML experience. Take pity on an old man?

While typing on any site, my keyboard doesn't automatically capitalize letters after punctuation and at most times the beginning of sentences. It is functional on other apps and my normal settings are enabled. As shown in the image, nothing is capitalizing on any sites.

Hiya, any re-arranging of the account list does not work. Been like this for months. Checking again today after Thunderbird version update it is still the same.

The drag and drop sort in setting works however the new list order is not applied to the actual account list.

Win11. Thunderbird 154.0 (64-bit).

Any ideas? Searches are pretty much only showing instructions on how to drag and drop. No solutions that I can see. Thanks in advance.

After updating Firefox to the latest version (154.0) a short while ago, Firefox now insists on adding a “Firefox” icon to my Start Menu every time I open it. I do not need or want this additional icon, as I already have all the Firefox icons I want in exactly the place(s) where I want them. I am not finding a toggle for this behavior anywhere in the Settings menu structure, although I might be overlooking it. Is there a way to stop this annoying behavior besides rolling back to version 153?

(I am running Windows 11 on a desktop PC with all updates installed, and Firefox is set as my default browser.)

On two different Windows machines, current Firefox (153.0.1), the alt-d shortcut stops working: it does nothing until I restart Firefox. Then it works again for a while. I've tried about:keyboard and it's not reset there. I tried all combinations: Clear, Reset, setting it to alt-d explicitly. None of those worked. But when I set it to alt-a, that worked--but then resetting back to alt-d again didn't work. That shortcut is muscle memory at this point, so it's quite distressing. Not sure what diagnostics might be available to help here, happy to try anything.

Full disclosure: Both machines are Windows 10 but since that's stable, I find it hard to believe that's related.

Hi,

I have been using Thunderbird as my preferred email client since around 2004 on Linux, macOS and Windows.

I am current running Thunderbird 150.0.2 64-bit on macOS Tahoe 26.5 ( Intel ).

When I attempt to create a new 'Folder' or 'Sub Folder' on either an iMAP account or, more importantly, my 'Local Folder' the displayed dialogue box is sized incorrectly and I am unable to complete the action.

Specifically I can type into the 'Name' text box and see the 'Create as a subfolder of" drop down dialogue but the two buttons below are barely visible and I cannot select either with my mouse. Nor can I resize the dialogue box itself [ make larger ] to enable to be select either button.

I can use the <TAB> key to cycle thorough the various items and the <RETURN> key to select an option.

I have attached a sample image of the issue.

Thanks.

Hi,

In the latest firefox update 154, no start pages are displayed that were distributed with a registry key via group policy. It only works again if you change this setting manually in the Firefox settings.

In Version 153 it´s fine.

Jan

I can't turn off 'threading' of messages. I hate that feature. I'll do my own damn 'threading'. Now the 'search' function is useless. Help me turn off 'threading' I run Thunderbird which I like, on my HP Windows 11 laptop.

"Threading" cannot be 'unchecked' in the dropdown menu.

Create custom DNS providers list to "DNS over HTTPS" "Choose provider" menu (Settings > Privacy & Security - DNS over HTTPS) This can be applied to any Mozilla based browser.

1. Write about:config in url-bar and press [Enter].

2. In the "Search preference name" box Find the "doh-rollout.provider-list" value.

2.a. Create it if not exist by choosing: "String" value and press "+" (add). 2.b. On the right side of the value, Write the '*one string code'. - (if a code already exist, select all code [Ctrl+A] & copy [Ctrl+C] and paste [Ctrl+V] in a notepad and Save it so to keep backup with the previous setting.)

The '*one string code': [ { "UIName": "Cloudflare: Mozilla uri: (https://mozilla.cloudflare-dns.com/dns-query)",

   "uri": "https://mozilla.cloudflare-dns.com/dns-query"  },    

{ "UIName": "Cloudflare: No Filtering uri: (https://cloudflare-dns.com/dns-query)",

   "uri": "https://cloudflare-dns.com/dns-query"  },    

{ "UIName": "Quad9: No Malicious blocking uri: (https://dns10.quad9.net/dns-query)",

   "uri": "https://dns10.quad9.net/dns-query"  },    

{ "UIName": "LibreDNS: No Filtering uri: (https://doh.libredns.gr/dns-query)",

   "uri": "https://doh.libredns.gr/dns-query"  },    

{ "UIName": "Wikimedia: No Filtering uri: (https://wikimedia-dns.org/dns-query)",

   "uri": "https://wikimedia-dns.org/dns-query"  },    

{ "UIName": "DNS4All: No Filtering uri: (https://doh.dns4all.eu/dns-query)",

   "uri": "https://doh.dns4all.eu/dns-query"  },    

{ "UIName": "Mullvad: No Filtering uri: (https://dns.mullvad.net/dns-query)",

   "uri": "https://dns.mullvad.net/dns-query"  },    

{ "UIName": "OpenDNS: No Filtering uri: (https://doh.opendns.com/dns-query)",

   "uri": "https://doh.opendns.com/dns-query"  },    

{ "UIName": "--------------------------------------------------------------------------------",

   "": ""  },   

{ "UIName": "Cloudflare: * Malware blocking uri: (https://security.cloudflare-dns.com/dns-query)",

   "uri": "https://security.cloudflare-dns.com/dns-query"  },    

{ "UIName": "Cloudflare: * Malware & Adult content blocking uri: (https://family.cloudflare-dns.com/dns-query)",

   "uri": "https://family.cloudflare-dns.com/dns-query"  },    

{ "UIName": "Quad9: * Malware blocking uri: (https://dns.quad9.net/dns-query)",

   "uri": "https://dns.quad9.net/dns-query"  },    

{ "UIName": "LibreDNS: * Adblocking uri: (https://doh.libredns.gr/noads)",

   "uri": "https://doh.libredns.gr/noads"  },    

{ "UIName": "AdGuard: * Ad-Blocking uri: (https://dns.adguard.com/dns-query)",

   "uri": "https://dns.adguard.com/dns-query"  }    

]

You can modify the code based on your preferences to change the "Choose provider" menu list.

Hi everyone, I am using a MacBook Air M3 with 8GB of RAM. Due to my workflow, I heavily utilize multiple windows simultaneously across both Brave and Firefox. Unfortunately, this heavy usage has caused my CPU and RAM demand to go through the roof.After doing some research, I was advised to switch back to Safari as my default browser to conserve system resources, and to use other browsers only as secondary tools.

To make this transition work, I need to prevent Firefox from automatically launching every time I start up my laptop. I do not want Firefox to open until I explicitly choose to launch it myself. I have searched through every conceivable setting, option menu, and help file, but I cannot find a solution to this basic issue. If I cannot find a way to stop this auto-start behavior, I will be forced to uninstall Firefox altogether, which I would prefer to avoid.How can I definitively stop Firefox from opening automatically on system boot?

Thank you for your help.