Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More
Arkivert

Today's Thunderbird Release has disabled the Proton Add ons for email and calendar - the appearance is devoid of the Proton standard color and color codes

kitchm1 replied
greergirl

How do I return to the normal appearance of the Proton mail and Proton calendar tabs. I can't use it in stark black and white because I rely heavily on color coding of accounts

How do I return to the normal appearance of the Proton mail and Proton calendar tabs. I can't use it in stark black and white because I rely heavily on color coding of accounts

All Replies (2)

The addons appear to be supported through release 138. What release are you using? Have you contacted the addon developers?

Exactly what is the name of the add-on which appears to be referenced here?