One point of clarity. The first couple of times I tried this it did NOT work, but the problem was that I didn't carefully read the instructions. What I did is put a "+" (plus) at the end of the existing note title. In actuality, you have to put a "space" and then a "+" after the existing note title. You must have a space between the end of the existing note title and the "+" sign. Now, it works great and as stated, you can send multiple attachments to an existing note as long as you send them individually. Thanks for this great tip. Is there a list of "hot tips" for Evernote somewhere...?