How To Convert Ex4 File To Mql4

Converting an (executable) file back to (source code) is a highly technical and controversial process known as decompiling

What to avoid

Scenario 3: The Original Author is Out of Business or Unreachable

Why EX4 → MQL4 is impossible

• MQ4 (Source Code): This is a human-readable text file containing the logic, algorithms, and variables of the trading robot or indicator. It is compiled by the MetaEditor to create an EX4 file.
• EX4 (Executable): This is the compiled, machine-readable bytecode. It is optimized for the MetaTrader 4 (MT4) terminal to execute efficiently.