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TT DeepDark Requires Restart

Simple and smooth dark complete theme for Thunderbird

Rated 5 out of 5 stars (271)
249 users

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xpDefault Colored Buttons Requires Restart

Default XP theme for ThunderBird 45. (Mail and Lightning calendar)
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After long time of inactivity, Michal Stanke decided not to update xpDefault.
I propose to try, and make this version, tested on Vista and Win 8.1.
new 45.0.3 16 oct 2016

Rated 5 out of 5 stars (23)
20 users

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Phoenity Shredder Requires Restart

A simple and colorful theme for everyone.

Rated 5 out of 5 stars (35)
56 users

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Nautipolis for Thunderbird Requires Restart

Nautipolis for Thunderbird: High-quality, solid theme based on icons from art.gnome.org.
Supports Thunderbird versions 53.0 to 60.0. From version 61.0, Thunderbird will drop support for full custom themes.

Rated 5 out of 5 stars (26)
29 users

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Oxygenate Requires Restart

An Oxygen icon theme for Thunderbird and Lightning

Rated 5 out of 5 stars (25)
0 users

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Whitehart TB Requires Restart

A clean, simple and stylish design for Thunderbird based on the Firefox Whitehart theme.

Rated 5 out of 5 stars (17)
0 users

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Tangerinebird Requires Restart

Theme with Tangerine icons for Thunderbird. A variant of the Tango theme.

Rated 5 out of 5 stars (3)
2 users

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Monterail Full Dark Requires Restart

Monterail Full Dark, a Thunderbird theme inspired by the mockup of Monterail

Rated 5 out of 5 stars (18)
20 users

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miniBird Requires Restart

Thunderbird 2.0 theme reduced to minimal sizes for the maximum userplace (works on TB1.5 and 2.0+)

Rated 5 out of 5 stars (10)
0 users

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Outlook 2003 GreenTB Requires Restart

A Outlook 2003 Theme in Green to give the feeling of the Office look and a better integration in the Green Windows XP...

Rated 5 out of 5 stars (7)
0 users

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Tangobird Requires Restart

Theme with Tango icons for Thunderbird.

Rated 5 out of 5 stars (12)
8 users

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Littlebird for Thunderbird Requires Restart

Littlebird for Thunderbird, based on icons from art.gnome.org. Supports Thunderbird versions 53.0 to 60.0. From version 61.0, Thunderbird will drop support for full custom themes.

Rated 5 out of 5 stars (18)
3 users

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Australis ReDesign TB by Ansgar Requires Restart

Design Theme for Thunderbird ( and Earlybird / Daily )
based on Australis Redesign Theme

Design by Ansgar

Rated 5 out of 5 stars (6)
0 users

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Classic TB2 Requires Restart

Theme using mostly TB2 icons plus the best of TB1.5, TB3, and later versions.

Rated 4 out of 5 stars (48)
120 users

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MicroThunderbird for Thunderbird Requires Restart

MicroThunderbird, for Thunderbird. Based on LittleBird, sporting the same screensaving, and with same 'retro' design (8-bit colors). Fully compatible with from 5.0 upto current nightlies. Full support for Lightning/calendar.

Rated 5 out of 5 stars (9)
5 users

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Crossover X Requires Restart

Works with Thunderbird 2.0

A smoother version of Crossover

Rated 4 out of 5 stars (24)
0 users

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PitchDark for TB Requires Restart

Dark-colored minimalistic theme with emphasis on visibility, usability and maximum screen real estate.

Rated 4 out of 5 stars (52)
0 users

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Outlook 2003 SilverTB Requires Restart

A Outlook 2003 Theme in Silver to give the feeling of the Office look and a better integration in the Silver Windows XP...

Rated 4 out of 5 stars (13)
0 users

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Monterail Dark Requires Restart

Monterail Dark, a Thunderbird theme inspired by the mockup of Monterail

Rated 4 out of 5 stars (15)
5 users

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Classic Reloaded Requires Restart

Classic Reloaded ist ein kompaktes und zugleich schlichtes Theme.

Rated 4 out of 5 stars (45)
1 user

Download for Windows