ICS is used as an abbreviation for: Technology iCalendar, the RFC 2445 standard for calendar data exchange , a digital multidimensional image file format used in life sciences microscopy IMS Centralized Services, a concept specified by 3GPP in TS 23.292 Incident Capturing System Information and Communications Support Information and Computer Science, the combined field of informatics and computing ICS (Jacksonville), a computer services company in Jacksonville, Florida, originally Information C… (More on Ics)