A daily updated filename extension database!

CF file extension

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

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

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

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

✅ Sendmail M4 Configuration File

CF file is a Sendmail M4 Configuration File. Sendmail is a general purpose internetwork email routing facility that supports many kinds of mail-transfer and -delivery methods, including the Simple Mail Transfer Protocol (SMTP) used for email transport over the Internet.
Application: Sendmail (Unix)
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
CF aliases:
CF related links:
CF related extensions:
M4 Macro File

Sendmail M4 Configuration Source

✅ CFEngine Policy Data

CF file is a CFEngine Policy Data. CFEngine is a configuration management system that enables system administrators to define the desired end states of IT-systems throughout their organizations.
Category: Data files
Application: CFEngine
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
CF aliases:
CF related links:
CF related extensions:

✅ Configuration File

CNF is a general configuration file extension.
CFG format description not yet available
Application: -
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
CFG aliases:
cf, cnf, con, conf, config, pref, prefs, settings
CFG related links:
CFG related extensions:
Novell GroupWise Initialization File

Initialization File

Microsoft Windows Internet Settings File

Internet Sign-up Settings

Windows System Configuration

QuickTime Preferences File

Remote Desktop Connection Settings

ISP Configuration File

Runtime Configuration File

World of Warcraft Config

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

🚫 The .cf file extension is often given incorrectly!

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

cb, cc, cd, ce, cg, cr, ct, cv, df, fc, ff, sf, vf, xf

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Steinberg WaveLab Basic Audio CD Project
STK City Database Main File
Microsoft Windows 95 Clean Boot File
CRiSP Macro File
BRIEF Macro File
ComputerEyes Raw Image
Scitex Continuous Tone
CoD2 Fast File
Microsoft CodeView Data
Guitar Chord Groover Chord

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

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Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
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