17 * Locate your profile folder.

    18 

    19 xxxxxxxx is a random string of 8 characters.

    20 

    21  - %AppData%\Thunderbird\Profiles\xxxxxxxx.default\

    22                 Windows

    23  - C:\Documents and Settings\[User Name]\Application Data\Thunderbird\Profiles

    24                 Windows XP/2000

    25  - C:\users\[User Name]\AppData\Roaming\Thunderbird\Profiles\

    26                 Windows Vista

    27  - C:\WINDOWS\Application Data\Thunderbird\Profiles\xxxxxxxx.default\

    28                 Windows 95/98/Me

    29  -  ~/.thunderbird/xxxxxxxx.default/

    30     ~/.mozilla-thunderbird/xxxxxxxx.default/

    31                 Linux

    32  - ~/Library/Thunderbird/Profiles/xxxxxxxx.default/

    33                 Mac OS X

    34 

    35 * Customization.

    36 

    37 

    38 These files do not exist by default, so you need to create it before you can

    39 start adding your preferences:

    40 

    41   <profile-dir>/chrome/userChrome.css

    42   <profile-dir>/chrome/userContent.css

    43   <profile-dir>/user.js

    44 

    45 ** userChrome.css

    46 

    47 This file sets the display rules for various elements in the Thunderbird user

    48 interface.

    49 

    50 ** userContent.css

    51 

    52 Thqis file sets the display rules for web content.

    53 

    54 ** user.js

    55 

    56 This is the additional preferences file for Thunderbird.