A daily updated filename extension database!

DCO file extension

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

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

✅ Safetica Free Encrypted Virtual Disk Archive

DCO file is a Safetica Free Encrypted Virtual Disk Archive. Safetica Free is a freeware version of Safetica's powerful security client scaled down for the home user.
Category: Disk Image files
Application: Safetica
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
DCO aliases:
DCO related links:
DCO related extensions:
Safetica Free Encrypted Archive

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

🚫 The .dco file extension is often given incorrectly!

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

cco, cdo, co, dc, dci, dck, dcl, dcp, ddo, do, doc, dso, dvo, dxo, eco

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Delphi Component Package
ArcView Default Codepage Data
Adobe DNG Camera Profile
Stata Batch File
Xilinx CORE Generator Log
DesignCAD Document
Cult3D Object
SymbianOS Dynamic Shared Object
RAD Studio Delphi Code Insight
DAZ Studio Object

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

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