Open P7S file

Signature in PKCS #7 format

What is p7s file? Understanding and opening p7s files

p7s file icon Are you facing difficulties opening p7s files on your computer, or wondering exactly what p7s file is?
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Signature in PKCS #7 format

Typically, files with a p7s extension are found as certificates in the PKCS #7 Signature file format. This format is utilized to ensure a uniform method of transmitting and receiving secure MIME data.

Further details

p7s file is a digital signature file used to authenticate information. It is based on the Public Key Cryptography Standards #7 (PKCS #7) which is a format used by cryptographic systems to secure data transmission.

This file format is often used in email encryption and digital certificates to ensure the integrity and authenticity of the data. It contains information about the signer and the digital signature.

Open p7s file with:

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Microsoft Outlook

An e-mail management tool distributed with Microsoft Office suite

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Apple Mail

The default e-mail client in Mac OS X

What file extension actually is?

Simply put, file extensions are the characters after the dot in the computer file name, so for example document-name.pdf has file extension „pdf“. This helps Windows to identify which program should be used to open the file.

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