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Add extra features and styles to make Thunderbird your own.

Provider for CalDAV & CardDAV 4.8

This extension is no longer needed. Thunderbird has native CalDAV and CardDAV support.

The developer of this add-on asks that you help support its continued development by making a small contribution.

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About this Add-on

This extension is no longer needed. Thunderbird has native CalDAV and CardDAV support.