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.DER File Extension

File TypeDER Certificate File

DeveloperN/A
Popularity
3.5 (10 Votes)
CategoryWeb Files
FormatBinary

What is a DER file?

Digital certificate file created in the Distinguished Encoding Rules (DER) format; contains a binary representation of the certificate; commonly used for storing X.509 certificates in public cryptography.

More Information

All standard Web browsers recognize digital certificates provided by secure websites.

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Programs that open DER files
Windows
Microsoft Internet Explorer
Mozilla Firefox
Mac
Apple Safari
Mozilla Firefox
Apple Keychain Access
Linux
Mozilla Firefox
Updated 2/21/2011

About DER Files

Our goal is to help you understand what a file with a *.der suffix is and how to open it.

The DER Certificate file type, file format description, and Mac, Windows, and Linux programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

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