.MQ5 File

File extension mq5 seems to be mainly related to MetaTrader platform and used for one of its unique file type.

An .mq5 file represents a program written for MetaTrader 5, an online trading platform for Forex, Futures, and CFD markets; may be a Custom Indicator, Expert Advisor, Script, or Library file. It contains source code written in MQL5 (MetaQuotes Language 5), typically includes variables, classes, functions, and comments.

Note: May also have been adopted by other trading platforms such a Forex.

Files with mq5 suffix can be typically encountered as programs written in MetaQuotes programming language 5 for MetaTrader 5 trading platform.

How to open:

MetaEditor can be used to open and edit .mq5 files.

How to convert:

It seems that .mq5 files can be opened, edited and compiled into .ex5 files using MetaEditor, a specialized editor for creating trading robots and technical indicators.