How to increase font size in Thunderbird 68

General system Applications
3

I have had the same problem and used following workaround:

  1. End Thunderbird.
  2. Create a folder “chrome” in your thunderbird user profile folder if it does not exist.
  3. Create a file called userChrome.css if it does not exist.
  4. Enter following data into the file:
* {
font-family: Verdana, Arial, Sans Serif !important;
font-weight: normal !important;
font-size: 12px !important;
}

You can change font size and used font as you want.

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