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I deleted an entire group in my address book. How do I undo that? The undo icon was not a highlighted option.

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I have group contacts in my address book. When I was deleting one of the contacts within a group contact, I deleted the entire group contact. This is a disaster. There must be a way to retrieve this. I looked for the 'undo' icon, but it was in gray. Please help!

I have group contacts in my address book. When I was deleting one of the contacts within a group contact, I deleted the entire group contact. This is a disaster. There must be a way to retrieve this. I looked for the 'undo' icon, but it was in gray. Please help!

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Firefox doesn't do email, it's strictly a web browser. Therefore Firefox doesn't have an "address book".

If you are using Firefox to access your mail, you are using "web-mail". You need to seek support from your service provider or a forum for that service.

If your problem is with Mozilla Thunderbird, let us know and we can move this thread to the Thunderbird queue. This question currently is in the Firefox queue for answers.