إضافات أندرويد

Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).

Empties the Trash and Junk folders, and compacts folders in multiple Thunderbird accounts.

This extension is for those TB3 users who want the multiple-columns view that TB2 allowed

IMPORTANT: If you are using Thunderbird 38 or later, uninstall this addon. The functionality is in core now.