lost with progress

by iav

4 Add-ons in this Collection

CompactHeader by jmozmoz

Rated 5 out of 5 stars 191 reviews

15,145 users

Add symbol in header plane to switch between compact and expanded view. Work only for Thunderbird 68.0 and older. Currently, there are no plans to update this for newer versions.

Disable Add-on Compatibility Checks by Kris Maglione

Rated 4 out of 5 stars 120 reviews

180 users

Reinstates the extensions.checkCompatibility preference without respect to the current application version.

Extra Folder Columns by Joey Minta, Thunderbird Development Team

Rated 4 out of 5 stars 214 reviews

119 users

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.

SeaTab-X-2 by patrickjdempsey

Rated 5 out of 5 stars 22 reviews

208 users

Adds Firefox-style tab closers into SeaMonkey.

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