A daily updated filename extension database!

MQL4 file extension

The table below provides useful information about the .mql4 file extension. It answers questions such as:

  • What is the .mql4 file?
  • What program do I need to open a .mql4 file?
  • How can the .mql4 file be opened, edited or printed?
  • How can I convert .mql4 files to another format?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ MetaTrader MetaQuotes Language 4 File

.mql4
Description:
MQL4 file is a MetaTrader MetaQuotes Language 4 File. MetaTrader is a software platform that is independent of the forex broker. MetaQuotes Language 4 (MQL4) is a built-in language for programming trading strategies.
Application: MetaTrader 4
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
MQL4 aliases:
mql
MQL4 related links:
-
MQL4 related extensions:
MetaTrader MetaQuotes Language 5 File

MetaTrader 5 Program

MetaTrader MetaQuotes Language 4 Template

MetaTrader MetaQuotes Language 4 Header

MetaTrader 5 Tick Data

Other types of files may also use the .mql4 file extension.

🚫 The .mql4 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

ml4, mq4, mql

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Milestones v4 Project
MultiLedger Customers Data
MetaQuotes Language 4 Source Code
MetaTrader MetaQuotes Language 4 File

🔴 Can't open a .mql4 file?

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

Windows cannot open this file:

example.mql4

To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .mql4 file association, check the FAQ.

🔴 Can I change the extension of 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 the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .mql4 file extension, write to us!

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