.p7s Detached S/MIME signature
Text & source code
| MIME type | application/pkcs7-signature |
|---|---|
| Description | Detached S/MIME signature |
| Acronym | S/MIME – Secure/Multipurpose Internet Mail Extensions |
| Category | Text & source code |
| Based on | text/plain |
Frequently asked questions
What is a .p7s file?
A .p7s file is a “Detached S/MIME signature” (MIME type application/pkcs7-signature). S/MIME stands for Secure/Multipurpose Internet Mail Extensions.
How do I open a .p7s file?
With any text editor – Notepad++, Visual Studio Code, or gedit and vim on Linux. The file contains readable text, possibly source code or configuration.
How can you tell a genuine .p7s file?
No fixed signature at the start of the file is registered for this format; it is recognised mainly by its extension. On Linux and macOS, file --mime-type example.p7s shows the guessed type.
Which format is .p7s based on?
Technically a .p7s file is a subtype of “Plain text document” (text/plain), so programs for that base format can often read it too.
Which MIME type belongs to .p7s?
The MIME type is application/pkcs7-signature. In the Apache web server: AddType application/pkcs7-signature .p7s; in nginx: types { application/pkcs7-signature p7s; }.