These are compiled binary versions of MQ4 files. They are designed to be executed by the MT4 terminal but cannot be viewed or edited directly by a user. Purpose and History of Decompiler 4.0.401.1
While such tools are often discussed in trading communities for recovering lost source code, there are significant legal, ethical, and security considerations to keep in mind before using them. What is an EX4 to MQ4 Decompiler?
When evaluating a decompiler like "ex4-to-mq4-decompiler-4.0.401.1", consider the following: