What happens when I go over my storage limit?

Nothing is ever deleted. When new changes stop fitting, sync says so: "Storage full. Some notes couldn't sync." Existing data keeps syncing, new growth does not. If you stay over the cap, a 90-day countdown starts, shown as an amber banner. Reading, editing things smaller, deleting, and exporting all keep working the entire time.

After 90 days over cap, sync pauses: the banner turns red ("Sync paused. You've been over your storage limit for 90+ days."). The app still works fully on every device; changes just stay local until you are back under. Recovery is instant and self-serve: free up space - emptying the trash counts - or add storage under Settings > Storage, and sync resumes on its own. This is the deliberate opposite of services that auto-delete over-quota data.