Home : File Types : PEM File

.PEM File Extension

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File TypePrivacy Enhanced Mail Certificate

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CategoryWeb Files


File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.


Base64-encoded certificate file, such as a PEM-encoded X509 certificate; used to authenticate a secure website; typically imported from a Unix-based Apache Web server and compatible with OpenSSL applications.

More Information

PEM certificate files are generated automatically and are not meant to be opened or edited manually. Some secure websites may ask users to upload a PEM file (possibly sent in an e-mail) in order to authenticate their identity.

Program(s) that open .PEM files
Microsoft Windows LogoWindows
Microsoft IIS
Mac OS X LogoMac
Apple Keychain Access
Apache Web Server
with OpenSSL
Linux LogoLinux
Apache Web Server
with OpenSSL
Updated 9/21/2007