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TT DeepDark Requires Restart

Simple and smooth dark complete theme for Thunderbird

Rated 5 out of 5 stars (271)
211 users

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MS Office 2003 JB Edition Requires Restart

MS Office 2003 Theme.

Rated 5 out of 5 stars (77)
313 users

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Silvermel Requires Restart

A Creamy Silvery Experience

Rated 5 out of 5 stars (534)
29 users

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Metal Lion Sea Monkey Requires Restart

Metal Lion meets SeaMonkey.

Rated 5 out of 5 stars (10)
135 users

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Monterail Requires Restart

Monterail TB theme with official icons from Monterail

Rated 5 out of 5 stars (28)
14 users

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Walnut2 for Thunderbird Requires Restart

Walnut2 for Thunderbird, based on icons from art.gnome.org. Walnut2 is based on Walnut but with better looking wood panels.
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 (80)
81 users

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Phoenity Shredder Requires Restart

A simple and colorful theme for everyone.

Rated 5 out of 5 stars (35)
49 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)
119 users

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Metal Lion Silver Sea Monkey Requires Restart

Metal Lion meets SeaMonkey and makes it shine....

Rated 5 out of 5 stars (2)
34 users

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Nuvola TB Requires Restart

Theme based on the Nuvola icon set by David Vignoni (http://icon-king.com/?p=15).

You can find developer versions under http://mozilla.paenglab.ch/

Rated 5 out of 5 stars (69)
139 users

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Noia Fox Requires Restart

Theme for Firefox and Thunderbird
Based on Noia Iconpack by Carlitus (deviantART)

Noia Fox options is here (small icons, square tabs,...).

Rated 5 out of 5 stars (159)
1 user

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Walnut for Thunderbird Requires Restart

Walnut for Thunderbird, based on icons from art.gnome.org, and sporting a wooden look.
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 (41)
32 users

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Black Oyster Requires Restart

A clean theme for Thunderbird with dark icons on a light background.

Rated 5 out of 5 stars (10)
2 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)
28 users

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NoGlass Requires Restart

Remove Aero glass in TB and give the option of colored icons

Rated 5 out of 5 stars (33)
9 users

Download for Windows

Tangobird Requires Restart

Theme with Tango icons for Thunderbird.

Rated 5 out of 5 stars (12)
6 users

Download for Windows

Win8 Requires Restart

Windows 8 styles for TB

Rated 4 out of 5 stars (8)
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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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)
2 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)
15 users

Download for Windows