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Informations about the P7S filename extension and the file formats associated with it

We collected the information you should know about the .p7s filename on this page. If you were sent a(n) .p7s file in an e-mail, but you don’t know what to do with it, then you can find help here. We strive to suggest free, open-source applications that are available to everyone for the file formats.

1 filename extension(s) are in our database

.p7s - PKCS #7 Digital Signature

The P7S file is a Data file, which is connected to the PKCS #7 Digital Signature according to our registry. With the adequate settings, the PKCS #7 Digital Signature (.p7s) files can be opened or converted with the help of Microsoft Office Outlook.

Format description:
P7S format
Microsoft Office Outlook
Magic string:
- / -
Related links:
Public Key Cryptography on Wikipedia
Related extensions:
Microsoft Office Business Contact Manager Data
Microsoft Office Business Contact Manager Customization
Microsoft Outlook Extension Configuration File
Microsoft Outlook Navigation Bar
Microsoft Outlook Holiday Data
Microsoft Outlook Internet Account Settings

Important! Programs other than the ones listed above may also use the .p7s file extension. Even harmful programs can create files with the .p7s extension to store data in them. Always be careful with .p7s files coming from unknown sources. Don’t open executable files that arrived in mails, even if you know the sender.

The .p7s file can’t be opened on your computer?

If the program necessary for opening the .p7s file is installed properly on your computer, then the quickest and simplest way to open the .p7s file is to double-click on the file’s name. If that doesn’t work, then the right software probably isn’t installed on your computer.

While opening the .p7s file, you may receive an error message from the associated application, this can be caused by the following:

Incorrectly given .p7s extension

The .p7s filename extension can be given incorrectly sometimes. The cause of the error could be a mistake or a simple typo. We found the following incorrectly given filename extensions that are the most frequent in the case of .p7s files.

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

Maybe you’re not even looking for the .p7s file extension?

It’s possible the the file’s extension was given incorrectly. Below, we list some filename extensions that are similar to the .p7s extension. It’s possible that the one you’re looking for is among them.

XV Visual Schnauzer Bitmap
PKCS #7 Certificate Data
PKCS #7 Compressed Message
Pyspread Document

Associated applications

The Windows operating system stores information about the applications associated to the file extensions in the registry database. The associations can be queried or modified in the Command Prompt window with the "assoc" command.

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