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How to Open .der and CERFile

File Extension.der
DescriptionSecurity Certificate
Windows ObjectCERFile
Executable Command To Open .der File%SystemRoot%\system32\rundll32.exe cryptext.dll
Mime TypeCryptExtOpenCER %1
Links
  • Open DER File instructions on extensionfile.net
  • Placing it here to fix Firefox 2.0 layout links

How to Open .der and CERFile

File Extension.der
DescriptionSecurity Certificate
Windows ObjectCERFile
Executable Command To Open .der FileC:\Windows\system32\rundll32.exe cryptext.dll,CryptExtOpenCER %1
Mime Typeapplication/x-x509-ca-cert
Links
  • Open DER File instructions on extensionfile.net
  • Placing it here to fix Firefox 2.0 layout links

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