Unable to Sync Calendars in CRM to Mail

Unable to Sync Calendars in CRM to Mail

Zoho is great but is really poor at the basics , all i want is to be able to create an event in CRM that syncs with my default Calendar in Mail so i can sync with all my other devices ( inc my Mac) , not possible as the CRM puts it  into a seperate APP calendar which can not be synced , MISSED APPOINTMENTS every week !!