File Extension cer

Find out what programs can help open, view, play or convert your cer files.

Opening cer files
Internet Security Certificate

Did your computer fail to open a cer file? We explain what cer files are and recommend software that we know can open or convert your cer files.

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What is cer file?

Security file provided by a third party Certificate Authority, such as VeriSign or Thwate, that verifies the authenticity of a website

Software that will open, convert or fix cer files

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