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.P7M File Extension

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File TypeDigitally Encrypted Message

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Rare Uncommon Average Common Very Common
CategoryMisc Files


This file is saved in a binary format, which requires a specific program to read its contents.


Encrypted e-mail message in which the contents and attachments are enveloped in an smime.p7m file; may require a private key matching the message's public key to open the document.

Programs that open P7M files
Cryptigo p7mViewer
Apple Keychain Access
Updated 8/6/2015

FileInfo - The File Extensions Database

This page contains information about the .P7M extension and its known file associations. Our goal is to help you understand what a P7M file is and how to open it.

The Digitally Encrypted Message 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 We strive for 100% accuracy and therefore do not publish any information we have not verified.

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