Add-ons
Extra Folder Columns 1.1.5 Requires Restart
by Joey Minta, Thunderbird Development Team
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.
![[Warning]](https://addons.thunderbird.net/static/img/developers/test-warning.png?b=58a99cbb-667a0970)
Permissions
About this Add-on
Adds additional columns to Thunderbird's folder pane, for Thunderbird versions 3 - 31.
See https://support.mozilla.org/en-US/kb/new-thunderbird-38#w_expanded-folder-pane-columns for changes in Thunderbird 38, as this functionality is now in core.
See https://support.mozilla.org/en-US/kb/new-thunderbird-38#w_expanded-folder-pane-columns for changes in Thunderbird 38, as this functionality is now in core.
