MT4 is referred to as among the most frequently used applications for traders in the Forex market. It allows automated systems via EAs, scripts, and indicators. These tools are typically programmed in MetaTrader’s own language, MQL. EX4: This type of file is a binary format of the original MQ4 code. https://israelruvtt.anchor-blog.com/10761074/ex4-to-mq4-for-dummies