A daily updated filename extension database!

MQ4 file extension

The table below provides useful information about the .mq4 file extension. It answers questions such as:

  • What is the .mq4 file?
  • What program do I need to open a .mq4 file?
  • How can the .mq4 file be opened, edited or printed?
  • How can I convert .mq4 files to another format?
  • Where can I find the specifications for .mq4?
  • Which MIME-type is associated with the .mq4 extension?

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

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

.mq4 file extension details

MetaQuotes Language 4 Source Code

MetaQuotes Language 4 Source Code .mq4 file icon
MQ4 file is a MetaQuotes Language 4 Source Code. MetaQuotes Language 4 (MQL 4) is a new built-in language for programming trading strategies.
Category: Development files
Application: MetaTrader 4
Mime-type: text/plain
Magic number: -
Magic string: -
Sample: -
MQ4 aliases:
MQ4 related links:
MQ4 related extensions:
MQL4 Compiled Modules

MetaQuotes Language 5 Source Code

Other types of files may also use the .mq4 file extension.

.mq4 file extension error

The .mq4 file extension is often given incorrectly!

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

m4, qm4, mq, mqt

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

M4 Macro File
Microsoft Windows Message Queuing Data
MetaTrader MetaQuotes Language 4 Template
open .mq4 file

Can't open a .mq4 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:


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 .mq4 file association, check the FAQ.

.mq4 file extension

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 .mq4 file extension, write to us!

.mq4 file extension

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