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The ThreadKey Extension is a is a very simple extension that let the user strike the 'T' key and get the Threaded view, just like the 'G' key switches to Grouped By Sort view by default. You can also strike the 'U' key in order to get back the Unthreaded view.

Even if you don't use threaded view a lot, it can come in handy, if you happen to press 'G' by accident. This extension helps you to easily switch back to Unthreaded/Ungrouped view with a single keypress.

Please note that the 'T' key is currently assigned to the "Go → Next → Unread Thread" menu item: this key assignment will be replaced by 'Shift+T'.

Installation

To install the ThreadKey Extension follow these steps:

1. Right-click the link below and choose "Save Link As..." to download and save the file to your hard disk.
2. In Mozilla Thunderbird, open Add-ons from the Tools menu.
3. Click the Install button, and locate/select the file you downloaded and click "OK".
4. Restart Mozilla Thunderbird after successful installation

Download now

Works with: Mozilla Thunderbird: 1.5 – 3.0

Alternative version for Mac OS X

There is a known error with ThreadKey on the Mac where the 'T' and 'U' keys cannot be redefined. Whenever a user types a 'T' or a 'U', the view changes. So the keys become unusable, also in quick search, or when the user renames a folder or adds an address to the address book.

This problem will be solved with Thunderbird 3. As a temporary workaround for this problem, I have created an alternate version for Mac users, that uses 'Cmd+T' and 'Cmd+U' to change view. This alternate version can be downloaded here.

Grouped By Sort view

Thunderbird bug 275871 was "fixed" and this means that the 'G' key doesn't put Thunderbird into Group By Sort view anymore. I have released version 0.5, so people using my extension can continue to switch to Grouped By Sort view with the 'G' key...

Screenshots

"View → Sort By" menu

Members

Luca Porzio	Creator
Stefano Constantini	Contributor
Onno Ekker	Active developer