Basic information about MQ5 file

When there is a problem with opening files with the file extension MQ5（*.MQ5 or *.mq5）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the MQ5 file yourself.

There are 1 file types using the MQ5 file extension in our database. In the further part of this page, you will find detail information about all the MQ5 file with their brief description and a list of programs that support MQ5 file sorted by operating systems. The table below provides useful information about the MQ5 file extension. It answers questions such as:
  • What is the MQ5 file?
  • How to open a MQ5 file?
  • What programs do I need to open a MQ5 file?
  • What programs help to create and edit a MQ5 file?
  • How to convert MQ5 files to another file format?
  • How to convert another files to MQ5 file format?


1.Detail information about MQ5 file extension: MQL5 Source Code File

File type MQL5 Source Code File Category Developer Files
Developer MetaQuotes Software File format Text
Description MQ5 file is a MQL5 Source Code File developed by MetaQuotes Software. An MQ5 file is a program written for MetaTrader, an online trading platform. It contains source code written in MetaQuotes Language 5 (MQL5), which includes classes, variables, functions, and comments that can be compiled into an .EX5 file. MQ5 files replaced .MQ4 files with the release of MetaTrader 5.
Software programs that will open, edit or convert MQ5 files

Windows		 MetaQuotes MetaTrader

macOS		 MetaQuotes MetaTrader

Linux		 MetaQuotes MetaTrader

Android		 MetaQuotes MetaTrader

iOS		 MetaQuotes MetaTrader



Can't open a MQ5 file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.MQ5”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the MQ5 extension without any issue.


Where I can download the application that support MQ5 file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How to change file associations?

  • Right-click a file with the extension whose association you want to change, and then click "Open With".
  • In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
  • Select the ”Always use the selected program to open this kind of file” check box.


Can I change the extension of MQ5 files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a MQ5 file?

The reasons for the lack of the ability to open a MQ5 file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a MQ5 file. If there is still something wrong, you might want to check:

  • Whether the MQ5 file is damaged.
  • Whether the MQ5 file is incorrectly linked in the registry entries.
  • Whether the MQ5 file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the MQ5 file format is incompletely.
  • Whether the MQ5 file is infected.
  • Whether the drivers of the equipment used for opening a MQ5 file are up to date.
  • Whether your computer has enough hardware resources to open a MQ5 file.

If the MQ5 file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.