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MOC file extension

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

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

Table of Contents

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

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

✅ QT Meta-Object Compiler File

MOC file is a QT Meta-Object Compiler File. The Meta-Object Compiler, moc, is the program that handles Qt's C++ extensions. The moc tool reads a C++ header file. If it finds one or more class declarations that contain the Q_OBJECT macro, it produces a C++ source file containing the meta-object code for those classes.
Application: QT
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
MOC aliases:
MOC related links:
MOC related extensions:
QT User Interface File

QT Style Sheet

QT Resource Collection File

Qt Compiled Translation Source

QT Help Collection

QT Help Collection Project

QT Help Project

QT Compressed Help

QT Vertex Shader

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

🚫 The .moc file extension is often given incorrectly!

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

hoc, joc, koc, loc, mc, mco, mic, mkc, mlc, mo, mod, mof, mos, mov, mox

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

TopoGrafix Location Data
FactoryTalk View Studio Local Message Component File
EEGLAB Location Data
QuickTime Movie
SVAL Modal Data
Autodesk Maya ASCII Motion Data
Music Module MOD
HDD Camcorder Video Data
ArchiCAD Module File
Leaf RAW Image

🔴 Can't open a .moc 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 .moc 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 .moc file extension, write to us!

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