.P7Z File Extension
- Developer by: Microsoft Corporation
- Category: Email related data Files
What is an .P7Z file?
.P7Z is S/MIME compressed e-mail message
The p7z file extension is used for e-mail messages, that use S/MIME (Secure/Multipurpose Internet Mail Extensions) encryption with compression.
S/MIME (Secure / Multipurpose Internet Mail Extensions) is a standard for public key encryption and signing of e-mail encapsulated in MIME.
To read S/MIME encrypted files, you have to install the PKCS (Public-Key Cryptography Standards) certificate to your e-mail client.