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Details of the .rules file extension

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

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

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

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

.rules file extension details

Visual C++ Project Rules

Visual C++ Project Rules .rules file icon
RULES file is a Visual C++ Project Filters. Microsoft Visual C++ is an Integrated Development Environment (IDE) which is a program for writing, compiling, and linking your program into an executable. A rule file, or RULES file, is an XML file that has a .rules file extension. It allows you to define custom build rules and incorporate them into the build process of a Visual C++ project.
Category: Development files
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
RULES aliases:
RULES related links:
RULES related extensions:

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

.rules file extension error

The .rules file extension is often given incorrectly!

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

open .rules file

Can't open a .rules 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 .rules file association, check the FAQ.

.rules 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 .rules file extension, write to us!

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