, including two other known software applications (listed below). ">

What is the CEF File Extension?

Reporter:   |   Last Updated: November 26, 2018

Microsoft Silver

CEF File Summary

Our most recent information indicates that CEF files are associated with three unique file types (the most prevalent being the Class Action Gradebook Elementary File format) and can be viewed primarily with Class Action Gradebook "Elementary Edition", including two other known software applications (listed below). These files can be categorized as Data Files, Encoded Files, or Font Files. In the majority of cases, these files will be Data Files.

We have found CEF files on the Windows and Mac operating systems. They are both mobile and desktop device friendly. With a Popularity Rating of "Low", these files are not very common to your average computer user.

To learn more about CEF files and their associated software applications, please see the information below. Plus, we provide a basic troubleshooting guide to solve problems with opening CEF files.

Low
File Type Popularity
1085
Standing

/ 11690

Active

Status

26

November

2018

Edited

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Known CEF Files

  3 known file types use this extension

Primary CEF File Association

.CEF
File ID:.cef
File Type:Class Action Gradebook Elementary File

CEF file is a data file saved the classroom roster, assignments and evaluated scores associated with Class Action Gradebook, a program used by teachers for recording elementary school grades.

Created by: Richard Stott
Class:Data Files
Location: HKEY_CLASSES_ROOT\.cef

Software Programs That Open The Class Action Gradebook Elementary File:


Class Action Gradebook "Elementary Edition" by Richard Stott

Windows

Secondary CEF Associations

.CEF
File ID:.cef
File Type:CenturionMail Encrypted Package

CEF is an Encrypted archive created by CenturionMail, a program used for encrypting emails and attachments. Password is required to extract the archive.

Created by: Open Source
Class:Encoded Files

Software Programs That Open CenturionMail Encrypted Package Files:


CenturionMail by Open Source

Compatible with:

Windows
.CEF
File ID:.cef
File Type:Adobe Illustrator Compact Embedded Font File

CEF is a compact embedded font file created by Adobe Illustrator, a vector based editor for Microsoft Windows and Apple Mac OS X operating systems.

Created by: Adobe Systems Incorporated
Class:Font Files

Software Programs That Open Adobe Illustrator Compact Embedded Font File Files:


Adobe Illustrator CC by Adobe Systems Incorporated

Compatible with:

Windows
Mac

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CEF Demand


Dominant Mobile Devices

Samsung (28.86%)
Apple (21.83%)
Huawei (9.25%)
Xiaomi (6.74%)
LG (3.11%)


Troubleshooting Problems Opening CEF Files


Common Problems Opening CEF Files

Class Action Gradebook "Elementary Edition" Disappeared

Double-clicking your CEF file prompts the message "%%os%% Can't Open CEF File". Usually, this is because you do not have Class Action Gradebook "Elementary Edition" for %%os%% installed. Your operating system cannot associate your CEF with Class Action Gradebook "Elementary Edition", so double-clicking the file won't work.


Tip: When another CEF application is installed, you can choose to open it by selecting "Show Apps" and using that program.


Wrong Version of Class Action Gradebook "Elementary Edition" is Installed

In some cases, you might have a newer (or older) version of a Class Action Gradebook Elementary File file that is unsupported by your installed application version. Visit the Richard Stott website to download (or purchase) the latest version of Class Action Gradebook "Elementary Edition". This problem is most common when you have an older version of the software application, and your file was created by a newer version that it cannot recognize.


Tip: Sometimes you can get a clue about the version of CEF file you have by right clicking on the file, then clicking on "Properties" (Windows) or "Get Info" (Mac OSX).


Primarily, problems experienced when opening CEF files are due to having the incorrect version of Class Action Gradebook "Elementary Edition" installed on your computer.


Other CEF File Issues

Errors opening Class Action Gradebook Elementary File files can still occur even with the latest Class Action Gradebook "Elementary Edition" software installed on your computer. There can be other issues - unrelated to software - preventing you from opening CEF files. Additional factors include:

  • Windows Registry CEF file paths that are incorrect
  • Accidental deletion of the description of the CEF file in the Windows registry
  • Corrupt install of Class Action Gradebook "Elementary Edition" or other CEF-related program
  • CEF file corruption
  • Your CEF has adversely impacted by malware
  • Drivers associated with CEF software need to be updated
  • Windows cannot load your Class Action Gradebook Elementary File file due to insufficient resources (eg. RAM)

Quiz: Which of these is considered a vector image file?








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