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Add extra features and styles to make Thunderbird your own.

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Featured Extensions

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Airmail Featured

Rated 4 out of 5 stars (19)
1,751 users

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Japanese Tattoo Featured

Colors and accent adjusted

Rated 5 out of 5 stars (84)
1,531 users

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Dark Fox Featured

My dark version of the Firefox logo.

Rated 5 out of 5 stars (612)
21,482 users

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Blur (violet, orange, green) Featured

Blur, violet, orange, green.

Rated 5 out of 5 stars (10)
944 users

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Thunderbird Suave Featured

Rated 4 out of 5 stars (51)
27,648 users

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Two little birds Featured

Rated 5 out of 5 stars (131)
26,438 users

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Fresh Green Leaves Featured

Rated 5 out of 5 stars (67)
4,305 users

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