.CER file extension

This is the list of programs to work with .CER extension

SanDisk ImageMate CF-SM

SanDisk ImageMate CF-SM Security Certificate

DataTraveler Driver

DataTraveler Driver Security Certificate

Stationery Shop

Stationery Shop Expert Stationery Shop File

Belarc Advisor

Belarc Advisor Security Certificate

Belarc Advisor is a tool that can analyze your computer.
Professional Notepad

Professional Notepad Security Certificate

Professional Notepad is an advanced tool that allows you to view and edit HTML.
American Greetings Print! Premium

American Greetings Print! Premium PMW Certificate Type