Thunderbird - Accessing the Config Editor

Ask a question



Same as Mozilla Firefox, the mail client software, Thunderbird also possess a config editor (about:config) that allows you to fine tune the latter.

To access it :
  • Open Thunderbird
  • Click on Tools
  • Options>General Tab


In the "Advanced Configuration" section, click on the "Config Editor" button.
You shall get a warning message, simply click on "I'll be careful,I promise.." and here you are:

Thunderbird - Increase the Disk Cache
Thunderbird - Request a return receipt for your emails