A daily updated filename extension database!

DFA file extension

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

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

✅ SecuROM Manual Activation Request.

DFA file is a SecuROM Manual Activation Request. SecuROM is a controversial CD/DVD copy protection and digital rights management (DRM) product developed by Sony DADC.
Category: Data files
Application: -
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
DFA aliases:
DFA related links:
DFA related extensions:

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

🚫 The .dfa file extension is often given incorrectly!

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

cfa, da, daf, dba, dca, dda, dea, df, dfq, dfw, dfx, dra, dta, dva, efa

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Stata Data File
Zeiss BIVAS Image
Chain Calculator Database
EZ-Forms Data File
Battlefield 1942 Data
Autodesk Revit Family File
SmartWare Query Definition File
qs-STAT Q-DAS Shared Data File
VentaFax Remote Control Script
XML Forms Architecture Document

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

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