To export your contacts from Thunderbird, follow the steps below. Mozilla Thunderbird is a free, open source, cross-platform e-mail and news client developed by the Mozilla Foundation.
Please keep in mind that depending on your operating system or version the steps may vary. If you're having difficulty make sure you check Thunderbird Support for the most recent help.
If your Thunderbird application looks different, complete the following steps.
Older Versions:
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