最新回答

• After Re-installing Window 10 on my computer

  ''Toad-Hall [[#answer-1778940|said]]'' I've got a feeling you are now talking about a different computer User Account: C://Users/''''''IIio Pieroni''''''/Appdata/Roaming/Thund…

• After Re-installing Window 10 on my computer

  ''Ilio Pieroni [[#answer-1778467|said]]'' The 2 folders in the profile. I copied the 2 folders on my PC If you can find a way to make it work, it will be fantastic. On re…

• Time Machine backup of Thunderbird

  ''tapio.heikkila [[#answer-1778758|said]]'' But Apple writes in Mac help, that they may exclude files of certain providers, if they feel so - therefore I was concerned. This i…

• emails in inbox trun red

  Is your number 1 key stuck? Or do you have a cat?

• After Re-installing Window 10 on my computer

  There is a total confusion about what have done in the last few days or even before tour first message in this forum. This is no reproach but just to explain why it is extremely d…

• After Re-installing Window 10 on my computer

  Now this is a completely new situation and there is no need to execute my prior instructions. In your last image with the contents of the folder "Profiles" I am seeing two very …

• Why is ImapMail folder so large ?

  How many IMAP accounts did you set up? You can minimise the effect on your server quota by moving messages to folders you create in your Local Folders.

• no messages shown in any folder

  ''SLOtraveler [[#answer-1778355|said]]'' Thanks Mapenzi. That's enlightening information. How do I safely transition to maildir? I would appreciate your knowledge and help. I…

• After Re-installing Window 10 on my computer

  These are very confusing news! Please go back to ....\AppData\Roaming\Thunderbird\'''Profiles'''\ and take a new screen shot with the contents of "Profiles" in its state from tod…

• After Re-installing Window 10 on my computer

  ''Ilio Pieroni [[#answer-1778062|said]]'' What I don't quite follow is when V143 is installed it will have a new profile folder I presume that your actual Thunderbird versio…

• After Re-installing Window 10 on my computer

  The goal of our discussion is to allow you to start '''v143''' in your '''actual''' profile because of bug 1990571 which came with '''v144''' you cannot see your Local Folders. …

• After Re-installing Window 10 on my computer

  ''Ilio Pieroni [[#answer-1777996|said]]'' The link you sent me got to this page? I am not sure that this is what you where aiming for? I have a copy of Thunderbird Setup V…

• I need to turn on the junk option, it will simply not turn on no matter the junk setting

  You must enable Spam (Junk) settings for each of your accounts: Go to Account Settings >[Account name] > Spam Settings ... (see first picture) Then click on "Global Spam Setting…

• no messages shown in any folder

  Thunderbird's classic "default" message storage format is mbox (or mailbox) which means that '''all''' messages of a folder in the folder pane are stored in '''ONE''' text file in…

• Thunderbird profile installed on new computer from old computer, but local folders data missing

  In your second screen shot on the right Local Folders contain • another "Local Folders" folder • a folder "Local Folders.sbd" file folder • a Local "Folders.msf" file This i…

• Difficulty importing e-mails from Apple Mail

  You didn't follow my instructions or you misunderstood them. Your last screen shot shows the contents of Local Folders in the Thunderbird '''profile''' folder. It contains an In…

• Thunderbird is corrupt on my MacBook Pro

  Remove the corrupt application and replace it with a new copy from https://www.thunderbird.net/en-US/desktop/

• lost tabs on thunderbird

  Open the Thunderbird profile folder as indicated in this help article https://support.mozilla.org/en-US/kb/profiles-where-thunderbird-stores-user-data In the profile folder sear…

• Difficulty importing e-mails from Apple Mail

  Import from Apple Mail never really worked except in very old Thunderbird versions. This is still true for actual Thunderbird versions and my Mail.app version 16.0 running on macO…

• After Re-installing Window 10 on my computer

  Update to v144 was available since October 14, 2025. Not sure whether you already used v144 when you reinstalled Windows on your PC. Try the following before we need to do more…

• After Re-installing Window 10 on my computer

  Might be https://bugzilla.mozilla.org/show_bug.cgi?id=1990571 Which Thunderbird version did you use '''before''' reinstalling Windows and which version are you running actually?

• no messages shown in any folder

  An Inbox size of 26.4 GB is '''giga'''ntic, I've never seen this in any of the Thunderbird forums I'm working for ! In your case it is in an IMAP account, so even if the INBOX fi…

• no messages shown in any folder

  ''SLOtraveler [[#answer-1777422|said]]'' No, I hadn't restarted in normal mode after trying the troubleshooting mode. When I did just now, it comes up with no messages :( So…

• no messages shown in any folder

  I didn't understand whether your thread pane is populated again when you start Thunderbird in normal mode. I think that you hadn't compacted your folders in the last years ....

• no messages shown in any folder

  Does the same happen when you start Thunderbird in "troubleshoot mode"? Menu Help > Troubleshoot Mode ....

• To add another Email

  Do you mean another email '''account'''? Go to File > New > Email Account....

• Lost folders after 144.0.1 update caused by multiple prefs.js

  In which of your two profiles are you running Thunderbird 141 or 142 actually? The hpp45uw3.'''default''' or the 98b52xm4.'''default-release'''? To verify launch TB, go to Hel…

• Wie kann ich die Schriftgröße der Anzeige aller Emails nach dem Einloggen vergrößern? ...nicht die Schriftgröße in den Emails!

  Klick auf den "Hamburger" ≡ Button oben rechts im Hauptfenster > Schriftgröße +/- .... Das ändert die Schriftgrößen in der gesamten Benutzeroberfläche. Wenn du Schriftgrößen in…

• Lost folders after 144.0.1 update caused by multiple prefs.js

  ''Ingwe [[#answer-1776866|said]]'' However the new version of TB seems to not allow downgrades as I have tried it. I just tested it on my Mac with the v144.0.1 I've been using…

• What is the orange dot in the message list

  The orange dot (rhomb) on the left means '"this is a '''new''' message". Since it is unread it is also displayed in bold and has the green "unread" dot. If you restart TB the sam…

• Drag and Drop feature doesn't work

  This feature didn't work for years in macOS Thunderbird versions. I recently by chance discovered that the drag & drop of attachments to the desktop worked (again?). For over …

• Drag and Drop feature doesn't work

  Could be this bug https://bugzilla.mozilla.org/show_bug.cgi?id=1958549 which had been fixed five months ago. Or a new bug in the macOS version?

• Lost folders after 144.0.1 update caused by multiple prefs.js

  ''Ingwe [[#answer-1776344|said]]'' She has hundreds of folders :)) Local Folders appears right at the bottom of the list. This is one of the problems that started all this - afte…

• Lost folders after 144.0.1 update caused by multiple prefs.js

  So the "default" profile shown in your screen shot seems to be the old profile with lots of folders and messages. The folder (Trisha) at the top is the '''Local Folders''' accoun…

• Lost folders after 144.0.1 update caused by multiple prefs.js

  Thanks, this is a small progress. The default-release profile has been created three days ago, so it cannot contain your POP account ancient folders and messages. Theoretically t…

• Lost folders after 144.0.1 update caused by multiple prefs.js

  There is always one "unnumbered" prefs.js file in each profile folder with the actual date, Thunderbird constantly recreates this file on startup. Which size in kB has it?

• Lost folders after 144.0.1 update caused by multiple prefs.js

  Unfortunately these are no good news. I had hoped that there would be e recently renamed prefs-xx.js file with a modification date from end of October... Now start Thunderbird, …

• Lost folders after 144.0.1 update caused by multiple prefs.js

  ''Ingwe [[#answer-1776292|said]]'' Only one POP subfolder and modification date is 21 October 2025. This is OK. Now look up the data for the invalidprefs.js and prefs-73.js f…

• Lost folders after 144.0.1 update caused by multiple prefs.js

  Five profiles is plenty, I would have preferred to treat with one only.... Nevertheless profile folder '''hpp45uw3.default''' will be my "usual suspect". Please open this folde…

• How to change the size of the text-entry pane in the calendar event pop-up (userchrome.css name needed)

  ''saleslogistix [[#answer-1775912|said]]'' Totally removing my original css and replacing it with yours totally did the trick. Did you really test '''my''' code TOGETHER wit…

• Wrong spelling in dictionary

  Open the Thunderbird profile folder as described in this help article https://support.mozilla.org/en-US/kb/profiles-where-thunderbird-stores-user-data Verify that TB is closed, s…

• How to change the size of the text-entry pane in the calendar event pop-up (userchrome.css name needed)

  ''saleslogistix [[#answer-1775706|said]]'' '' I'm trying to make the Description text entry area -- when editing -- taller, to use up the space that I've created by expanding …

• How to change the size of the text-entry pane in the calendar event pop-up (userchrome.css name needed)

  This is very confusing. There is a "New Event" window which has the identity #calendar-event-dialog When you double-click an existing event for editing it will be opened in the…

• Lost folders after 144.0.1 update caused by multiple prefs.js

  ''Ingwe [[#answer-1775580|said]]'' Thanks Mapenzi. Yes, this did appear and was set up. What caused this disappearance of your accounts etc in the main window is a corruption…

• Lost folders after 144.0.1 update caused by multiple prefs.js

  Actually when launching Thunderbird do you see a main window like in my joint image, with an "Account Setup" tab asking to "Set up your existing email address" ? If this is not t…

• local folders on new PC - missing structure and files

  Thank you for the new images. The reason for the dysfunctional Local Folders display will stay a mystery. ''myerscough.paul [[#answer-1775555|said]]'' There must be some rela…

• How to change the size of the text-entry pane in the calendar event pop-up (userchrome.css name needed)

  Sorry, no more ideas because I don't understand what exactly you want to change. A screen shot to illustrate the view of your desired new event pane might be helpful.

• How to change the size of the text-entry pane in the calendar event pop-up (userchrome.css name needed)

  The code in your answer is not useful since it only contains heights and widths but no ID of the element. I add a screen shot showing two calendar event panels in my macOS Thunde…

• local folders on new PC - missing structure and files

  This was an excellent idea! You still had the profile on the old PC as a backup. Nevertheless this is a big surprise for me since we already had copied the Local Folders from you…

• How to change the size of the text-entry pane in the calendar event pop-up (userchrome.css name needed)

  You can test the following CSS code in your user'''C'''hrome.css file: #calendar-event-dialog { min-width: 60em; !important; min-height: 80em !important; } Note that …

• local folders on new PC - missing structure and files

  I just played a bit around in my Test profile: manually (copy & paste) imported an "Archives" file and the corresponding "Archives.sbd" folder from a POP account in another profi…

• local folders on new PC - missing structure and files

  Unsent Messages and Trash are standard folders in Local folders and TB will always recreate them. As for your archive folders it stays a mystery for me. Did you read my private …

• local folders on new PC - missing structure and files

  This is more and more a nightmare! It's totally incomprehensible, there is no logic. Do you have one or two profiles in the "Profiles" folder? Please go to Account Settings > Lo…

• local folders on new PC - missing structure and files

  You can give it a try. What I can't understand is that in your folder pane your archive folders 2008, 2009 and 2010-2015 are displayed subfolders of Local Folders and not subfol…

• local folders on new PC - missing structure and files

  ''myerscough.paul [[#answer-1775331|said]]'' Thanks M, you probably didn't notice what I said above OK, I misunderstood which exactly were those 5 files. ''myerscough.pau…

• inbox appearance

  Maybe you need to activate the message pane: View > Layout > ✔︎ Message Pane ... or simply hit F8

• local folders on new PC - missing structure and files

  Your archive.sbd file folder contains archive files but below 2010-2015.msf there are files which do not belong in the archive.sbd folder. Those "illicite" files belong directly i…

• profile didn't fully transfer

  On your old PC had you moved certain parts of your profil folder (message files, e.g. Local Folders) to another directory outside the profile folder?

• Thunderbird installation

  Download the German version from here https://archive.mozilla.org/pub/thunderbird/releases/ and install it over your actual English version. Be careful not to choose an older vers…

• local folders on new PC - missing structure and files

  It is very difficult to imagine your real folder hierarchy in Local Folders following your images. Please show a new screen shot with the contents of \Mail\Local Folders\ with the…

• local folders on new PC - missing structure and files

  ''myerscough.paul [[#answer-1775140|said]]'' Here's the last picture with the path showing ... (new PC) Even with this new picture I am unable to explain why your archive year…

• address book disapeared

  ''ghaskell [[#answer-1775134|said]]'' How do I launch it to reach that screen? I didn't tell you to launch that screen. Il asked whether your actual start Thunderbird looks …

• profile didn't fully transfer

  ''karl-heinz.kopplin [[#answer-1775112|said]]'' details look like http://mzl.la/1ApHiU3 The original English version is https://support.mozilla.org/en-US/kb/moving-thunderbird…

• local folders on new PC - missing structure and files

  Thanks for your screen shots. The one in the middle is a bit confusing since at the top it doesn't indicate the path to and the name of the parent folder of archive, archive.sbd…

• address book disapeared

  @ghaskell: when you launch Thunderbird do you see an "Account Setup" tab in the main Thunderbird window (like the one in my image) asking to "Set up your existing email address"?

• local folders on new PC - missing structure and files

  Please show a screen shot of your Local Folders in the folder pane. Then in Thunderbird go to Help > Troubleshooting Information > Profile Folder > Open Folder... and quit TB. …

• how to change langwish in hole progam

  Open the "Settings" tab > General > Languages & Fonts > Language and choose the language in which you want to use Thunderbird. If you want to definitively change the language of …

• Neuer Rechner

  Wenn es sich um den '''Umzug''' der Thunderbird Daten auf einen neuen Rechner handelt, bitte diese Anleitung lesen https://support.mozilla.org/en-US/questions/1542821

• The Mail tab displays nothing.

  If you start Thunderbird in troubleshoot mode is the issue the same? https://mzl.la/3AbU5jz

• Inbox folder out of order

  Awful, I dunno! It's a Gmail account but I never used Gmail and won't do it now... Maybe you should delete the account and recreate it?

• Profile completely dissapeared.

  ''Bucko [[#answer-1774558|said]]'' The other related thing that was odd: as i mentioned in a previous post in this thread, I was having difficulty seeing emails which were h…

• Inbox folder out of order

  ''Wayne Mery [[#answer-1774432|said]]'' What happens if you right+click on account and pick "Reset folder order"? This item doesn't exist in v140.4.0esr!

• Inbox folder out of order

  I can do it in v114.0.1 as well as in v140.4.0esr, POP and IMAP accounts. No idea why this won't work for you. Can you drag the other folders '''below''' the Inbox?

• Inbox folder out of order

  In recent Thunderbird versions you can drag it with the mouse pointer and drop it in its usual place.

• Inbox messages gone

  Hello, one backup in two years isn't enough if you keep all (or most) of your incoming messages in the Inbox folder. Did you verify on the webmail page of your email provider …

• Mail Konto POP3

  Du kannst nicht einfach auf Deutsch umstellen, da du offenbar ohnehin schon eine deutsche Version von Thunderbird benutzt. Es handelt sich um einen neuen Bug, der in der v144.0 a…

• Profile completely dissapeared.

  What do you mean by "none of my configurations was restored"? Your email account configurations? So renaming the big prefs-1.js file in prefs.js and restarting Thunderbird '''di…

• I cannot import my CONTACTS from Win 7 folder to TB contacts folder

  In the Thunderbird main window open the Address Book tab. In the AB sidebar panel scroll to the bottom where you see an "Import" button. Clicking this button will open the Addr…

• Folder name mish-mash after upgrade to ver. 144.0.1

  This is a new known bug of version 144 https://bugzilla.mozilla.org/show_bug.cgi?id=1993842

• Time Machine backup of Thunderbird

  Hi, why should Time Machine exclude the Thunderbird profile from backup? Because of its size (error message?)? If your Thunderbird profile is saved in its default location '''…

• nomi in inglese

  Hai già trovato il bug corrispondente https://bugzilla.mozilla.org/show_bug.cgi?id=1993842

• Thunderbird is missing my email accounts, email folders, calendar, and contacts

  Maybe when the prefs36.js. file was created in 2025-01-03 you did not yet use the Thunderbird calendar?

• Thunderbird is missing my email accounts, email folders, calendar, and contacts

  ''Mike Vlasic [[#answer-1773490|said]]'' The rc2jk0cq.default-release profile folder contains a prefs.js file, 7 KB, created today. This is the confirmation of my "rotten pr…

• Thunderbird

  1. Sorry, I don't know what text block means 2. This is a known new bug in the TB 144 default-release channel version. I should be fixed in a future update

• nomi in inglese

  This is a known new bug of the recent Thunderbird 144.0 and/or 144.0.1 versions. It should be fixed in future update. Si tratta di un bug noto delle recenti versioni di Thunde…

• Thunderbird is missing my email accounts, email folders, calendar, and contacts

  My first guess is that your Thunderbird profile has become a victim of a damaged prefs.js file. If this happens TB renames the damaged prefs.js file in prefs-1.js (or sometimes i…

• Passwort vergessen! Password forgotten.

  Hola, wir können dir leider auch nicht sagen, wie dein Passwort heißt. Wenn es sich um ein Passwort handelt, welches du nicht im Passwort-Manager von TB gespeichert hattest, ka…

• profile missing?

  On the new PC click the Windows Start button. In the Search box, type: %APPDATA%\Thunderbird\ and hit Enter. You'll see the contents of the '''Thunderbird''' folder: • open the…

• Three Months of Emails Disappeared

  Right-click on the Inbox folder > Properties > General ... Which is the number of messages and which is the size on disk? Also go to the View > Messages > and verify which item…

• Three Months of Emails Disappeared

  Is this a POP or an IMAP account? If you look up your webmail are these messages still there? Did you have a look in the Trash and the Junk folder? Do you use the same account …

• How do I apply my Inbox column view to my other inboxes but not other folders?

  You shan't install this add-on in Firefox but in Thunderbird. R-click on the download link > save target link as .... produces a DefaultColumns.xpi install files you cab drag in …

• How do I apply my Inbox column view to my other inboxes but not other folders?

  Maybe the add-on "DefaultColumns" www.ggbs.de/extensions/#dc can be a solution for your needs?

• Setting default accounts to check

  Text deleted because of doublet (slow forum server...)

• Setting default accounts to check

  In your Windows Thunderbird profile you have "bundled" several POP accounts in what is called the "Global Inbox (Local Folders)". The global Inbox can be activated in Account Se…

• nom des dossiers en anglais

  Bonjour, il s'agit d'un bug de la version 144 de Thunderbird https://bugzilla.mozilla.org/show_bug.cgi?id=1993842 Je ne sais pas dans combien de temps il sera résolu... En att…

• installation

  Est-il possible que le premier caractère dans le nom du dossier de profil ne soit pas un 0 (zéro) mais la lettre O majuscule ? En principe ça ne peut pas être la lettre O majuscul…

• installation

  C'est très bizarre car je ne vois plus aucune différence dans les noms du profil dans le dossier Profiles et le fichier profiles.ini, je n'ai donc pas d'explication pour ce nouvel…

• The layout of the Thunderbird screen has changed with the pop-up page no longer showing

  I don't know what exactly you are looking for. But compared with the standard (default) view of a Thunderbird main window yours is missing the Folder Pane in your screen shot.

• The layout of the Thunderbird screen has changed with the pop-up page no longer showing

  Can you show a (partly anonymised) screen shot of your "Inbox screen" without the "instructions page", whatever you mean with this expression?

• getting Local Folders back into Thunderbird

  Sorry, I think I gave you a wrong instruction. What do you see if you open the yellow folder "Local Folders" (the one displayed in my message from 9:44 AM) with a '''simple click…