The X

2 files use the extension of CEF

.CEF

CenturionMail Encrypted Package

Classification:encoding file
Encrypted archive created by CenturionMail, a program used for encrypting emails and attachments; uses both compression and encryption as well as a password that is required to extract the archive.

instruction:

CEF files are used for securely sending files over email. You need the CenturionMail software in order to open them. NOTE: By default, CenturionMail creates archives with the .ZIP, .CAB, or .EXE extensions. However, you can also use the "Custom File Extension" option to create CEF files.

CEF(CenturionMail Encrypted Package) related software:

Windows

1 software

发送 E1574 至公众号 IT小技巧 查看软件名称。
.CEF

Class Action Gradebook Elementary File

Classification:data file
File created by the Elementary Edition of Class Action Gradebook, a program used by teachers for recording elementary school grades; saves the classroom roster and assignments as well as evaluated scores; can be used for generating report cards.

CEF(Class Action Gradebook Elementary File) related software:

Windows

1 software

发送 E1573 至公众号 IT小技巧 查看软件名称。