Your best option for resolving your Thunderbird customer service issue is by going to their help desk. Tap or click the link above and we can advise you on how to best get there. Telling us your specific issue on that page will also help us get you to the right Thunderbird help page even faster.
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Thunderbird Phone Number
Thunderbird doesn't have a phone number, which is a shame.
Thunderbird Live Chat
Unfortunately, Thunderbird does not offer live chat as a channel for customer service at this time.