I have found a solution to this (making Sticky Notes Expand to both monitors) I use a program called UltraMon to manage my desktop and dual-monitors. It has hotkey bindings for "Maximize to Monitor" and "Maximize to Desktop". I used the Maximize to Desktop hotkey combination and it works, I now can drag my notes to both monitors at the same time. You can try out the UltraMon program, or you can search the web to see if there is any other way to bind "Maximize to Desktop" without it. Here is a screenshot: The monitor on the left is 1920x1200 and the one on the right is 1920x1080. Hope this helps.