A daily updated filename extension database!

DC42 file extension

The table below provides useful information about the .dc42 file extension. It answers questions such as:

  • What is the .dc42 file?
  • What program do I need to open a .dc42 file?
  • How can the .dc42 file be opened, edited or printed?
  • How can I convert .dc42 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

✅ Apple Disk Copy 4.2 Disk Image

Apple Disk Copy 4.2 Disk Image .dc42 file icon
The DC42 file is an Apple Disk Copy 4.2 Disk Image. Disk Copy was the default utility for handling logical volume images in System 7 through Mac OS X 10.2.
DC42 format description not yet available
Category: Disk Image files
Application: Apple Disk Copy
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
DC42 aliases:
DC42 related links:
DC42 related extensions:

Other types of files may also use the .dc42 file extension.

🚫 The .dc42 file extension is often given incorrectly!

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

dc2, dc4

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

DevCad CAM Pro Document
DesignCAD 2D Document
Kodak Photo-Enhancer DC2 Data
ViaThinkSoft DeCoder 4 File

🔴 Can't open a .dc42 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 .dc42 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 .dc42 file extension, write to us!

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