Apple Notes Multi-Environment Setup Overview Apple Notes supports multiple accounts simultaneously: iCloud (default), Gmail/Yahoo/AOL via IMAP, Exchange, and the local "On My Mac" account. Each account has isolated folders and notes, making accounts the natural boundary for environment separation. Use this to separate personal vs work notes, production vs development data, or synced vs local-only content. The "On My Mac" account is especially useful for development and testing because it never syncs to iCloud, so experiments stay local. Account Discovery Environment-Based Configuration Accoun…