MQH File Extension

MQH file icon

MetaTrader Trading Terminal

  • File Type mqh
  • Developer MetaQuotes Software Corp.
  • Popularity
    4.2 (35 votes)
  • Application MetaEditor
  • Category Data Files
  • Format Text

What is a MQH file?

MetaTrader Trading Terminal, identified by the MQH extension, is a Data Files type and includes 6196 files.

The MetaTrader Trading Terminal (MQH) was created by MetaQuotes, a company that developed file format and produced 4 programs for their use.

MQH files are compatible with various operating systems, including Windows. If you need to open a MQH file, you can use one of 2 programs, such as MetaEditor and MetaTrader Trading Terminal.

Programs that support MQH files

How to open a MQH file?

If you’re having difficulty opening a MQH file, it is often due to not having the correct software. To solve the problem, choose a compatible program from the list. Then follow the link to the official developer site, download the software, and install it on your device.

MetaEditor and MetaTrader Trading Terminal are recognized as the most popular software solutions for dealing with MQH files. To install the most up-to-date edition of MetaEditor, visit the official MetaQuotes website. You can download the build that works across all operating systems.

After successful installation, your operating system should seamlessly handle MQH files via MetaEditor.

Set MetaEditor as your default MQH viewer

Setting a default program by file type in Windows

  1. Right-click your MQH file, then navigate to the "Open With" option and click "Choose Another Application" to continue;
  2. From the list of applications in the pop-up window, find and select MetaEditor as your desired application;
  3. Check the "Always use this app" checkbox, and then click "OK" to set your chosen app as the default for opening MQH files.

Set default app to open files on Mac

  1. Right-click or Control + left-click on the desired MQH file to open a menu of available actions;
  2. Select "Open in application" and click "Other";
  3. Go to the lower section of the window, where you will find the "Enable" menu. By default, it is set to "Recommended Programs";
  4. Select "All Programs" from this menu and proceed to search for MetaEditor. Check the box next to "Always open in app" to set it as the default option.

How to edit a MQH file?

Editing MQH files requires installing professional software that lets you open and edit data files. Online editors have more limitations compared to dedicated MetaTrader Trading Terminal programs.

List of Top MQH editors 2026

With the mentioned criteria in mind, we have assembled a selection of MQH editors.

MQH Editor SoftwareDeveloperPlatformsOverall Rating
MetaEditorMetaQuotesWindows4.6 out of 5 (37 reviews)

Solving Common MQH File Challenges

MQH files may present some challenges, but most can be easily addressed with minor software tweaks. See the troubleshooting tips below for guidance.

Are there any techniques or tools available to repair a damaged MQH file?

Open the damaged MQH file with a recovery program, and then select the "Repair" menu item to start the repair process. Wait for the recovery process to finish, as it will automatically repair damaged data files.

What are the telltale signs of a corrupt MQH file?

Corrupted MQH data files may show the following signs:

  • Unexpected expansion of the total size of the MQH file;
  • Opening or processing the file in MetaEditor or other programs causes instability or crashes in the program;
  • The file shows errors when trying to open it or does not open completely;
  • While working with the file, error messages appear;
  • Editing the archive in MetaEditor is accompanied by slow performance or delays;

What factors contribute to MetaEditor crash?

MetaEditor crashes can occur due to outdated software versions. To mitigate this, install the latest updates for MetaQuotes products.

A simple restart of your computer can often fix many common problems, which is why it is the recommended first step before making any adjustments to your software settings.