If you closed an open Sticky Note and would like to reopen it, follow this procedure: Open the Sticky Notes app and view your list of notes. If you discover that only a single note is displayed ...

it's important to note that the legacy version of the app is still available. As a result, the first step is to open the legacy Sticky Notes app (the one without the "Preview" label) from the ...

If you use the latest app and the correct account, but your notes are still not syncing, try forcing sync. Open the Sticky Notes app and view your list of notes. If only a single note is displayed ...