Moving emails to subfolder

Moving emails to subfolder

Everyday I move my emails from my inbox to client specific subfolders to keep them organized, I have around 30 different subfolders under a parrent folder. When I have to move an email to a subfolder, only the downward arrow in the subfolder list pop-up works. So if I have to move to say the 25th subfolder, I have to point the cursor at the downward arrow until it scrolls to the 25th subfolder. It would be really helpful it the upward arrow is also enabled (even though I begin from the first subfolder) so that it can reverse the direction and scroll up to the 25th subfolder (from the 1st subfolder in the reverse direction) quickly.