Tip: How to Recover Deleted Sticky Notes in Windows 7
If you’ve ever deleted your sticky notes by accident, or simply want to recover your notes from a dead Windows, there will still be something of a ghost remaining in the file where Sticky Notes save the notes to. This can be found in: %AppData%\Microsoft\Sticky Notes\StickyNotes.snt Copy and paste this directory line into any explorer window, and then press Enter.
Open the file with wordpad or notepad.
If you have some heavy formatting in your previous sticky notes, you may see lots of unknown tags. Then you will have to deal with RTF (Rich Text Format) yourself.
Addon: So far I don’t find a way to replace the recovered sticky notes with the current notes. If you know how to do it, I will be more than happy to hear the trick from you.