If you are a developer, always keep your MQ4 files backed up. If you lose them and only have the EX4, you have essentially lost the ability to update your own software. MQ4 is for the creator, and EX4 is for the user.
Several tools are available to help with the conversion process: mq4 to ex4
Explain where to so it shows up in your Navigator window Let me know what specific issue you're running into! If you are a developer, always keep your MQ4 files backed up
For the average trader, the EX4 file is what sits in the MQL4/Experts folder to make trades happen. For the developer, the MQ4 file is the valuable blueprint that must be guarded. Together, they form a workflow that balances the need for human creativity in strategy design with the need for machine efficiency in market execution. Several tools are available to help with the
The process of turning an MQ4 file into an EX4 file is called "compiling." Here is how you do it: