If your Sticky Notes are synced with your Microsoft account, you can recover deleted notes in the Outlook web version. Sign in to Outlook using your Microsoft account, go to the "Deleted Items" folder, locate the note you want to recover, right-click it, and choose "Recover."
2. If your Sticky Notes aren't synced, you can manually find the autosave folder at C:\\Users\\Username\\AppData\\Roaming\\Microsoft\\Sticky Notes.
3. To reopen a closed sticky note, open the Sticky Notes app, find the note in your list, right-click, and select "Open Sticky Note," or double-click to pin it to your desktop.
4. For an easier and quicker solution, consider using file recovery software like AnyRecover.