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how do I change my address book from old email address to a new email address?

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I have a new email address and need to notify those in my address book. How do I do that?

I have a new email address and need to notify those in my address book. How do I do that?

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Firefox doesn't do email, it's strictly a web browser.

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, please Tag this thread as being for Thunderbird in the right-hand column of this page. This question currently is in the Firefox queue for answers.