CFN file format description
Many people share .cfn files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .cfn file can be edited, converted or printed with. On this page, we try to provide assistance for handling .cfn files.
1 filename extension(s) found in our database.
.cfn - Calamus Font Data
CFN file is a Calamus Font Data. Calamus is a highly modular Desktop Publishing (DTP) system from invers Software.
Naturally, other applications may also use the .cfn file extension. Even harmful programs can create .cfn files. Be especially cautious with .cfn files coming from an unknown source!
Can't open a .cfn 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 can't open this file:
To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.
To avoid this error, you need to set the file association correctly.
- Open Control Panel > Control Panel Home > Default Programs > Set Associations.
- Select a file type in the list and click Change Program.
The .cfn file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
fn, cbn, dfn, ctn, cnf, cgn, cfh, cfb, xfn, cen, sfn, ccn, ffn, cvn, crn
Is it possible that the filename extension is misspelled?
Similar file extensions in our database:
- Multimedia Fusion Compressed Data
- STK Facility Networks File
- Origin Configuration File
- Microsoft Compound File Binary
- Click'n Design 3D CD Label Document
- GCL Cross Referencing Data
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