Files with p7s suffix can be typically found as certificates in PKCS #7 Signature file format which is used to provide a consistent way to send and receive secure MIME data.

Detailed description

Software that works with p7s file extension

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P7S file extension - PKCS #7 Signature file

What is p7s file? How to open p7s files?

File type specification:

Encoded and encrypted file type icon Encoded and encrypted file type

File extension p7s is associated with the S/MIME (Secure/Multipurpose Internet Mail Extensions) that is used to provide a consistent way to send and receive secure MIME data.

Based on the popular Internet MIME standard, S/MIME provides the following cryptographic security services for electronic messaging applications: authentication, message integrity and non-repudiation of origin (using digital signatures) and privacy and data security (using encryption).

MIME types used:

application/pkcs7-signature
application/x-pkcs7-signature
application/keychain_access

The default software associated to p7s file type:

Microsoft Outlook icon

Microsoft Corporation logo Microsoft Outlook  Microsoft Windows software

Company or developer:
  Microsoft Corporation

Microsoft Outlook is e-mail management tool and personal information manager distributed with Microsoft Office suite. Outlook integrates e-mail application, calendar, task manager, contact manager, note taking in to one application.

Microsoft Outlook is used as a stand-alone application and also can work with Microsoft Exchange Server and SharePoint Server.

The predecessor of Outlook was called Schedule+. The newest version is called Outlook 2016.

Apple Mail icon

Apple, Inc. logo Apple Mail  Apple macOS / Mac OS X software

Company or developer:
  Apple, Inc.

Apple Mail is e-mail client distributed with Apple Mac OS X operating system. Apple Mail supports POP3, SMTP, IMAP mail protocols as well as Microsoft Exchange.

Help how to open P7S files:

You can import these certificates to your system to authenticate yourself.

How to convert file with extension P7S:

This file is not meant to be onverted to anything else.

Related links:

S/MIME Version 2 Message Specification

List of recommended software applications associated to the .p7s file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open p7s file, edit p7s file, convert p7s file, view p7s file, play p7s file etc. (if exist software for corresponding action in File-Extensions.org's database).

  • Others p7s file

Unspecified and all other actions for computer programs working with p7s file - PKCS #7 Signature file

Click on the software link(s) for more information. Suggested software applications use p7s file type for internal purposes and/or also by different way than common edit or open p7s file actions.

Microsoft Windows:

Main software associated with p7s file by default:
Microsoft Outlook small icon Microsoft Outlook
Other suggested software:
Mozilla Thunderbird small icon Mozilla Thunderbird

Apple macOS / Mac OS X:

Main software associated with p7s file by default:
Apple Mail small icon Apple Mail
Other suggested software:
Mozilla Thunderbird for Mac small icon Mozilla Thunderbird for Mac

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P7M file extension

File-Extensions.org > Encoded and encrypted file types

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file extension P7X

 

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