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I lost all my contacts in Address Book

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I imported contacts from Yahoo to my Apple contacts and now there are no contacts in my address book in Thunderbird. It's completely empty. How would I import my contacts from Apple contacts to Thunderbird address book?

I imported contacts from Yahoo to my Apple contacts and now there are no contacts in my address book in Thunderbird. It's completely empty. How would I import my contacts from Apple contacts to Thunderbird address book?

Asịsa ahọpụtara

I don't know what I did, but all my contacts are back. I probably rebooted the computer.

Gụọ azịza a na nghọta 👍 0

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("File -> Use Mac OS X Address Book"

There is also a mac security setting I saw discussed on the apple support forums, but I do not recall what it is.

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Asịsa Ahọpụtara

I don't know what I did, but all my contacts are back. I probably rebooted the computer.