CEF file extension is created by CenturionSoft as CenturionMail Encrypted Package. CEF has been classified as Encoded Files. CEF file is saved in a binary format requiring a specific program to read its contents. CEF files use self-decrypting technology, so your recipient needs the password to open the encrypted e-mail. Microsoft Office Outlook integration and administrator control tools make CenturionMail perfect for individuals or companies. CenturionMail includes password manager, shredder for securely deleting files and 256 encryption.
CEF files are used for securely sending files over email. 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. CenturionMail software is required to open CEF files. If CEF file does not open in CenturionMail, you must create a file association.
Where can you find a description of the .cef format? What converts .cef files to a different format? Which MIME-type is associated with the .cef extension?.cef CenturionMail Encrypted Email file icon represents CenturionMail Encrypted Email. Unfortunately, it looks like CenturionMail is no longer supported.
If no software supports CEF files, first download and install CenturionMail or similar software. Corruption of a CEF file being opened can also block ability to operate it. You may need to update the application used to open .CEF files.
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