.CF File

The cf file extension is related to Sendmail, a mail transfer agent (MTA) that supports many kinds of mail transfer and delivery including the overwhelmingly popular SMTP.

A descendant of delivermail program written by Eric Allman, Sendmail is a well-known project of the free and open source software and Unix communities, and is distributed both as free software and proprietary software.

A cf file extension is related to the Sendmail a mail transfer agent. A cf file stores configuration data.

How to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .cf file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.