Sync options refers to the various ways in which files and folders can be synchronized between devices. There are three common sync options: 1) Manual Sync: This option requires that users manually initiate synchronization by selecting the files or folders they want to sync. 2) Scheduled Sync: This option allows users to schedule synchronization for a specific time or recurring schedule. 3) Automatic Sync: This option automatically syncs files and folders based on predefined rules or user preferences.