Rated 5 out of 5 stars
QuickFolders is PURE GOLD! I love it! Especially the shortcut keys of the Pro version.
I have hundreds of Thunderbird email folders. QuickFolders makes it MUCH easier to manage them all, jumping from one to another, or moving or copying messages to new folders.
No more scrolling through a massive tree of nested folders. Just type a few chars that occur at the beginning (or even in the middle) of the desired folder name, and it autocompletes. Hit Enter and you're done. Or type slash ("/") to have it show subfolders of that folder, or even to create a new subfolder on the fly, while you're moving, copying, or jumping to it. Good stuff!!
With the Pro version, Shift-M (move), Shift-T (copy), and Shift-J (jump) are awesome! I've been using Thunderbird for over a decade and Netscape Messenger for a decade before that, and I can't imagine how I got by without QuickFolders Pro.
It's "best of breed". There's nothing else anywhere near as good for managing Thunderbird folders.
The support is incredible. I've reported a few minor bugs and made LOTS of feature requests. I always get a well-considered reply within hours, and usually a bug fix or new feature within a day or two. In my 38-year career as a computer programmer, I've NEVER seen such good customer support!
I also use Shift-S (skip to next folder with unread messages). Like the native Thunderbird "n" command (move to next unread message), but skips the rest of the current folder. That's very useful when I need to catch up on unread stuff, but not necessarily in all folders.
Previously, I would have to stop hitting "n", move my hand from the keyboard to the mouse, scroll the folder tree, click below the folder I was on, and then resume hitting "n". Just hitting Shift-S is SO much quicker and easier.
There are also an amazing number of "bling" features where you can change the font, color, icons, background images, etc. for your folders and tabs. I'm a pretty boring engineer type, not a particularly artistic person. So, the "bling" features don't matter much to me. But my wife is much more artistic and loves them. I find it quite extraordinary that QuickFolders is so perfect for both types of users.
Now that I use QuickFolders, I have little use for the native Thunderbird folder tree anymore. I can hide it entirely and save lots of screen space to see my list of messages and body of the current message. And can still easily navigate/manage/create folders via QuickFolders. Excellent!
Recently, I've discovered that QuickFolders does more than just provide new features. It also allows me to modify native Thunderbird features. For example, it allows me to tell Thunderbird to not prompt before moving to the next folder when I hit "n" to see the next unread message. Nice!