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The Categories I have set up for e-mail contacts have disappeared. Why?

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The Categories I have set up for e-mail contacts have disappeared. Why?

All 900 e-mail addresses in my directory are suddenly listed as 'uncategorised' - all was OK yesterday.

The Categories I have set up for e-mail contacts have disappeared. Why? All 900 e-mail addresses in my directory are suddenly listed as 'uncategorised' - all was OK yesterday.

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Not a Firefox support issue. Firefox doesn't do email, it's 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, see this forum for support. http://www.mozillamessaging.com/en-US/support/
or this one
http://forums.mozillazine.org/viewforum.php?f=39