CFS file: How can I open a .CFS file?
The table below provides useful information about the .cfs file extension. It answers questions such as:
- What is the .cfs file?
- What program do I need to open a .cfs file?
- How can the .cfs file be opened, edited or printed?
- How can I convert .cfs files to another format?
We hope you find this page helpful and a valuable resource.
✅ Compact File Set

The CFS file is a Compact File Set archive. Compact File Set (CFS) is an open archive file format and software distribution container file format. Basic CFS files are compatible with ISO files, and can be read by many existing applications and systems.
✅ Lucene Single Compound File

The CFS file is a Lucene Single Compound File. Apache Lucene is a free/open source information retrieval software library, originally created in Java by Doug Cutting.
✅ Altair FEKO CADFEKO Workspace Data

The CFS file is an Altair FEKO CADFEKO Workspace Data. Altair Feko is a comprehensive computational electromagnetics (CEM) code used widely in the telecommunications, automobile, space and defense industries.
✅ Zaplots CFS Console Data

The CFS file is a Zaplots CFS Console Data. CFS Console is a console utility used for installing programs developed by Zaplots Games.
✅ INMOS Toolset Configuration Data

The CFS file is an INMOS Toolset Configuration Data. Inmos was a British semiconductor company which made a series of CPUs it called Transputers.
✅ ChatFactory Script

The CFS file is a ChatFactory Script. ChatFactory was an IRC client software for Microsoft Windows.
✅ Safari CFS Data

The CFS file is a Safari CFS Data. Safari is a popular web browser developed by Apple for Mac OS X.
⚠ Be careful with .cfs files.
It's important to know that the .cfs file extension can be used by various programs, not just the ones you expect. This includes potentially harmful software or malware that might create .cfs files. Be cautious when dealing with .cfs files from unknown sources.
🚫 The .cfs file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .cfs 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:
Select an app to open this .cfs file
It means that the operating system does not have a default app associated with the .cfs file type. To resolve this issue and open the file, you can take the following steps:
- Right-click on the .cfs file. A context menu will appear.
- From the context menu, select Open with. Windows will display a list of recommended apps.
- If the desired app is listed, select it from the provided options.
- If you cannot find the appropriate app, you may need to install software that supports the specific file type.
If you don't know how to change the default app for the .cfs file, check the FAQ.
🔴 Can I change the extension of files?
Changing the filename extension of a file is not a good idea. The extension of a file serves as a hint to the operating system and various software programs about the type of data contained within the file. When you alter a file's extension, you essentially modify how software applications interpret and handle that file. Every file has a specific format, also known as its file type or file format. The problem is, changing the file extension does not change the file format.
If you have helpful information about the .cfs file extension, write to us.