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CardBook Featured

A new Thunderbird address book based on the CardDAV and vCard standards.

Twitter: @CardBookAddon

Rated 4 out of 5 stars (470)
66,601 users

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Mail Merge

Create and Save or Send Multiple Individual and Personalized Messages from a Draft

Rated 5 out of 5 stars (230)
67,673 users

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Birthday Calendar

Adds calendars containing the birthdays from your address books.

Rated 5 out of 5 stars (23)
4,821 users

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