Font size in Thunderbird to change it permanently - so it goes!
- Open Thunderbird and click in the menu bar on "Extras".
- You go into the "settings":
- Click on the tab "view".
- Under "formatting" you can find your default Font, and the "size" (see image).
- Change the "size" to your desired font size.
- Then click on "Ok" to save the new font size for Thunderbird permanently.

Thunderbird: Font Size
Similarly useful like a larger font you can also use the spelling checker in Thunderbird - How they use it, we'll show you here. In addition, we have provided you with the 10 best Shortcuts for Thunderbird combined.
