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change font size of panels

  • 2 replies
  • 1 has this problem
  • 78 views
  • Last reply by Alex Hauf

Alex Hauf
Alex Hauf
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Hello,

how can I change the font size of the folders (sidebar) and the Email list in Thunderbird? I was only able to change the size of the EMail displayed.

Thank you for your help

Hello, how can I change the font size of the folders (sidebar) and the Email list in Thunderbird? I was only able to change the size of the EMail displayed. Thank you for your help

Chosen solution

There is a setting that can change all of the Thunderbird UI. Folder Pane, Thread Pane, Menus, Emails etc.

  • 'Menu icon (3 lines) > Options > Options > Advanced > 'General' tab
  • click on 'Config Editor' button

It may say 'here be dragons' as a type friendly warning to be careful :)

  • In top search type: pixels
  • Look for this line: layout.css.devPixelsPerPx

The default is -1.0

  • Double click on that line to open a small window.
  • clear contents and type in eg: 1.5 or 1.75 or 2.0 or 2.25 etc
  • click on OK

You will see instant effects, so try out different sizes eg: 1.5 or 1.75 or 2.0 or 2.25 etc until you get one that suits you.

Read this answer in context 👍 0

All Replies (2)

Toad-Hall
Toad-Hall
  • Top 25 Contributor
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Chosen Solution

There is a setting that can change all of the Thunderbird UI. Folder Pane, Thread Pane, Menus, Emails etc.

  • 'Menu icon (3 lines) > Options > Options > Advanced > 'General' tab
  • click on 'Config Editor' button

It may say 'here be dragons' as a type friendly warning to be careful :)

  • In top search type: pixels
  • Look for this line: layout.css.devPixelsPerPx

The default is -1.0

  • Double click on that line to open a small window.
  • clear contents and type in eg: 1.5 or 1.75 or 2.0 or 2.25 etc
  • click on OK

You will see instant effects, so try out different sizes eg: 1.5 or 1.75 or 2.0 or 2.25 etc until you get one that suits you.

Alex Hauf
Alex Hauf Question owner
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Thank you for your help