.P7S File Extension

PKCS #7 Signature

A .p7s file extension is an email digitally signed by the sender. In most cases, this also means encrypting the content. The digital signature authenticates the sender and message content. .P7S files...

General Information

Title P7S File Extension
Extension .p7s
Full Form PKCS #7 Signature
File Type Digital Signature File
Developer Internet Engineering Task Force (IETF)
MIME Type application/pkcs7-signature

File Function

Primary Function Store signature
Additional Functions Authenticate data
Features Security, Non-repudiation

File Characteristics

Quality High security
Supports Layers N/A
Supports Transparency N/A
Editable No

Use Cases

Email Security Yes
Document Verification Yes
Software Distribution Yes

Security and Practices

Security Risks None inherent
Best Practices Secure handling, Verify signature

Historical/Version Information

Standardization RFC 2315
PKCS #7 Inception 1993

Associated Types

Similar Extensions .p7m, .p7b, .p12

Software Compatibility

Software Usage Policy OS Compatibility
Microsoft Outlook Paid Windows, Mac
Adobe Acrobat Paid Windows, Mac
Cryptigo p7mViewer Paid Windows