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I wish to do a mass import of vcf cards, how? I have a list of VCF cards exported from Outlook that I can import one by one, is there not a way to do a mass import?

I would like to create sending lists (to send the same message to several persons at the same time). That was possible before, but I can't see how to do in the latest version. I have recently bought a new computor.

I am looking of the name of a address book I added. I know the\at the main book is called abook.sqlite. I have other sqlite files called abook-1.sqlite, abook-2.sqlite and abook-3.sqlite. What are these file contain? Also where are the other info like "Notes" stored? Are they also in the abook.sqlite file. I am using a DB browser and i don't see that info in the file.

Importing CSV address books does not work properly. The resulting folder cannot be accessed by emails to be sent.

The imported Address Lists cannot be used in an email as a list. The error message is that the address is not a valid email address. However, if a new Address List is created with the contents of the imported file manually copied, then it can be used as an email address.

I also found that clicking on an individual address in the imported csv, will open the individual email address.

So the addresses are valid but the list is corrupted.

I have a TB installation reading mail from a webmail set up. The files are in an inbox, 26,000 plus. They have also been transferred and readable in TB. They have the following format. Subject: [xxxxxxxxxx & yyyyyyyyyyyy zzzzzz ] New User Registration

Body text -

New user registration on your site xxxxxxxxxx & yyyyyyyyyyyy zzzzzz :

Username: selected_nickname9481

Email: username@provider.com

How can I extract or retrieve the "Username:" variables and "Email" variables in the Body text to set up a mailing list or Address Book. Thanks!

I have Version 140.8.0esr | Released February 24, 2026, for Linux Mint (up to date)

I have a CardDAV address book on a Nextcloud instance that i want to sync to Thunderbird.

When i open Address Book and the clikc on " Create a new address book" the Account Hub modal window opens. None of the 4 options (including Add Remote Address Book" do anything, i.e. I can click as much as I like but nothing happens.

The Subject line shows 'Invoice from XYZ' but the correspndents line show ABC. Both of these suppliers use Netsuite. This also happens with other emails from other Netsuite users.

As I store all my contacts in a CarDav sync I have no need for a "Personal Address Book". It might even be a problem because accidentily stored addresses there are not synced. The "Delete" on the context menu is grey and cannot be selected. How do I permantely remove "Personal Address Book" from the list of contacts?

I have a Windows 11 operating system. I tried browsing/uploading a couple email messages describing providing more information but wasn't successful. Can you help me ?

Thunderbird import not allowing to "match names" on import from a CSV file.

Yes this is the problem when working with Thunderbird’s import of a CSV file, the Match field names option only is allowed on the first attempt. That told me that the source fields and first Record columns did not have useful fields to even try to Match field names. So I went and edited the CSV file to try to get at the Match Field names option but it was not available no matter what I fix or tried. So to me the problem is with Thunderbird’s “ surmising that since I was given the Match field Names screen that I Thunderbird never gives the Match Field names on subsequent attempt. Thunderbird needs to give the Match field Names screen as an option on every attempt not just the 1st attempt.

The below screen was given to me by one of the consultant’s attempt. And you can see that he had a CSV file with the THUNDERBIRD’s preferred CSV options!!! And it did use the Match Fields Option.

Attached screenshots is not possible at this time.

I tried importing my Outlook Classic address book. As you can see from the attachment, I really messed it up!. I am not technical at all, I wasn't sure if I needed to import my contacts or my address book. I think, but am not really sure, that I exported my .pst file, address book to a csv vile. Can anyone one straighten me out? If I have to start over, how do I delete the mess I created without loosing all of my other settings? Thank you very much 😊😊😊

Just started using Thunderbird, coming from MS Outlook. I have exported my contact details in Outlook to a .csv file, and tried to use this as the import source to transfer the details to Thunderbird address book. I have checked the fields to transfer, but none end up being passed over. The .csv file appears to hold the correct data with the correct field headers. Although I do not have many contacts, transferring them individually by hand seems a very old-fashioned thing to have to do lol

Updating my Address Book in Thunderbird v148. The darned thing does not permit two people to have the same email address or phone number - pain in the "A" to say the least !

Couldn't find a way to create a new address book, so I used an old one and re-named it and added a new list of names and emails, but when I tried to send an email message, when I typed in the name of the new address book, the field turned RED. Can I send it? How to create a new address book that will work? THANK YOU!