The answer depends entirely on your device and operating system. Here is the definitive guide to finding your saved Sticky Notes. Microsoft has changed the backend for Sticky Notes twice. Here is the breakdown for modern versions.

Because Microsoft syncs these notes to the cloud, the safest way to "find" them is via your Microsoft Account. Your notes are actually stored inside your Outlook.com account. Log into Outlook.com on any browser and look for the "Sticky Notes" icon in the left-hand menu.

If you are using a very old PC, notes were saved in a simple database file at: C:\Users\[UserName]\AppData\Roaming\Microsoft\Sticky Notes\StickyNotes.snt (Note: This .snt file is deprecated and does not work on Windows 11). 2. macOS (Apple Notes "Stickies" App) Apple has a dedicated app called Stickies (different from the standard Notes app).