How to open .cer file format?

The probably reason why you are at this website is a problem with opening .cer file. The full name of the file is Internet Security Certificate. If the double-click on the file’s icon shows you a message that additional programs are needed to open the file, you’ll find the list of helpful programs in the bottom of the page.

.cer file extension (Internet Security Certificate)

Category Developer/Producer File description Popularity
Web Files N/A Internet Security Certificate
RateRateRateRateRate
Programs using this file extension: .cer
ADS OS Software
Windows
Windows
  • Microsoft Internet Explorer
  • Mozilla Firefox
  • Other Web browser
  • Adobe Reader
  • Adobe Acrobat XI
MAC OS
MAC
  • Apple Safari
  • Mozilla Firefox
  • Adobe Reader
  • Adobe Acrobat XI
  • Apple Keychain Access
Linux
Linux
  • Mozilla Firefox
  • Adobe Reader


The file extension .cer can be used by another programs. If you have some useful information about .cer file type that may help other users HowOpen.org, please send them to us and we’ll update our database.

Visiting our website you are probably asking yourself:
  • What application can open .cer file?
  • How to open .cer file?
  • What is .cer file?
  • How can I convert .cer file?
  • Where can I find informations about .cer file extension?
We hope we have given you enough informations about this file type. Otherwise you can search some informations about .cer extension on Wikipedia.org or FileInfo.com