Rated 5 out of 5 stars

A very useful Addon, but does not work anymore in TB102 :-(

Αυτή η αξιολόγηση γράφτηκε για παλιότερη έκδοση του πρόσθετου (3.0). 

Compact Headers 3 works in Thunderbird 102.

The web page in your browser may only show version 2.25, try installing it from within Thunderbird 102.

When you upgrade Thunderbird from 91 to 102, Compact Headers will be automatically upgraded.