Hi Mohit,
By default, Schedule control does not have the support for importing and exporting. But we have save and open the schedule control files using Serialization and Deserialization. Please refer the below dashboard sample location,
Sample location: <Syncfusion_installation_location>\EssentialStudio\<Version_number>\Windows\Schedule.Windows\Samples\Scheduler Demo\CS
Screenshot
Regards,
Mohanraj G