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Details of the .p7s file extension

The table below provides useful information about the .p7s file extension. It answers questions such as:

  • What is the .p7s file?
  • What program do I need to open a .p7s file?
  • How can the .p7s file be opened, edited or printed?
  • Where can I find the specifications for .p7s?
  • Which MIME-type is associated with the .p7s extension?
  • How can I convert .p7s files to another format?
  • What are other, similar filename extensions to .p7s?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

.p7s file extension details

PKCS #7 Digital Signature

PKCS #7 Digital Signature .p7s file icon
P7S file is a PKCS #7 Digital Signature. A digital signature is a type of asymmetric cryptography. For messages sent through an insecure channel, a properly implemented digital signature gives the receiver reason to believe the message was sent by the claimed sender.
Category: Data files
Mime-type: application/pkcs7-signature
Magic number: -
Magic string: -
Sample: -
P7S aliases:
P7S related links:
P7S related extensions:
Certificate File

Key Database File

PKCS #12 Data File

Certificate Revocation List

PKCS #7 Encrypted Message

Microsoft Serialized Certificate Store


PKCS7 Signature

PGP Security Signature/Key

GnuPG Signature/Key

Other types of files may also use the .p7s file extension.

.p7s file extension error

The .p7s file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

p7z, ps, p7, p7c, pys, p7e, ps7, pis, p7x

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

PKCS #7 Compressed Message
XV Visual Schnauzer Bitmap
Pyspread Document
PKCS #7 Certificate Data
File Encryptor Encrypted Data
Corel Paint Shop Pro Data
open .p7s file

Can't open a .p7s file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .p7s file association, check the FAQ.

.p7s file extension

Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .p7s file extension, write to us!

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