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.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.

Programs that open PEM files
Microsoft IIS
Apple Keychain Access
Apache Web Server
with OpenSSL
Apache Web Server
with OpenSSL
Updated 9/21/2007

FileInfo - The File Extensions Database

This page contains information about the .PEM extension and its known file associations. Our goal is to help you understand what a PEM file is and how to open it.

The Privacy Enhanced Mail Certificate file type, file format description, and programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and therefore do not publish any information we have not verified.

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