Sticky Notes are stored in a local database file inside your user folder. The exact path is: C:\Users\[YourUsername]\AppData\Local\Packages\Microsoft.MicrosoftStickyNotes_8wekyb3d8bbwe\LocalState\ Look for a file named plum.sqlite — that contains all your notes. (You can’t open it directly without SQLite tools.)
Notes are stored in: C:\Users\[YourUsername]\AppData\Roaming\Microsoft\Sticky Notes\StickyNotes.snt where are sticky notes stored
If you use the built‑in Notes app with sticky‑like widgets, they’re stored in iCloud or locally in the Notes database — not accessible as individual files. Sticky Notes are stored in a local database