Question: how to retrieve deleted files from sticky notes windows 10?
Answer: Find the sticky notes' location in Windows 10 by navigating to C:\Users\<UserName>\AppData\Roaming\Microsoft\Sticky Notes.
Find and right-click on "StickyNotes. snt file".
Select "Restore Previous Versions". This may replace your current version of the sticky notes file, and nothing can be undone again.