>> CEF file

CEF file format description

Many people share .cef files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .cef file can be edited, converted or printed with. On this page, we try to provide assistance for handling .cef files.

2 filename extension(s) found in our database.

.cef - CenturionMail Encrypted Email

The CEF other files are related to CenturionMail. CEF file is a CenturionMail Encrypted Email. CenturionMail is a Windows based utility to send encrypted information by email. The CenturionMail seems to be no longer supported.

Other files
- / -
CenturionMail Encrypted Email related extensions:
Total Commander File System Plugin
Multimedia Playlist
Linux Shared Library Link File
Instalit Library
General Output File
EZ-R Stats Process Script

.cef - QPEACE Cluster Exchange Format Data

The CEF data files are related to QPEACE. CEF file is a QPEACE Cluster Exchange Format Data. QPEACE is a software suite for manipulating and displaying Cluster PEACE (electron) data. Cluster Exchange format is a flat comma-delimited data file with an attached header.

Data files
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QPEACE Cluster Exchange Format Data related extensions:
QPEACE Cluster Exchange Format Header

Naturally, other applications may also use the .cef file extension. Even harmful programs can create .cef files. Be especially cautious with .cef files coming from an unknown source!

Can't open a .cef 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.

The .cef file extension is often given incorrectly!

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

cdf, ef, cff, cee, vef, cec, sef, def, csf, cf, cer, fef, ecf, cwf, crf

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Affymetrix Chip Description File
netCDF Data
Ultraviolet Common File Format
ECMG Content Definition File
Infinity Engine Visual Effects
Docuware Content Folder File

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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