MT4 is known as one of many well-known platforms for traders in Forex. It supports automated systems by means of expert advisors, code scripts, and indicators. These tools are often developed in MetaTrader’s native language, MQL. EX4: This type of file is a compiled version of the original MQ4 code. https://reidycyut.sharebyblog.com/30391928/ex4-to-mq4-an-overview