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Change Thunderbird account order

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I have upgraded my Thunderbird to 78.4.0 (32-bit) using Windows 10.

I find that the default background colour is not retained after I set it. Under Tools>Options.>Composition.HTML Style the background colour cannot be changed unless I uncheck the option Use reader's default colors. I changed the default colour to white but the background remains black.

I want all background colours to be white in all Thunderbird and Firefox windows unless their original colour is nonwhite.

Please tell me how to do this.

Thank you

spruce18b

I have upgraded my Thunderbird to 78.4.0 (32-bit) using Windows 10. I find that the default background colour is not retained after I set it. Under Tools>Options.>Composition.HTML Style the background colour cannot be changed unless I uncheck the option Use reader's default colors. I changed the default colour to white but the background remains black. I want all background colours to be white in all Thunderbird and Firefox windows unless their original colour is nonwhite. Please tell me how to do this. Thank you spruce18b

Saafara biñ tànn

Switch to the Light theme via Tools > Add-ons > Themes.

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Saafara yiñ Tànn

Switch to the Light theme via Tools > Add-ons > Themes.