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Details of the .p7b file extension

The table below provides useful information about the .p7b file extension. It answers questions such as:

  • What is the .p7b file?
  • What program do I need to open a .p7b file?
  • How can the .p7b file be opened, edited or printed?
  • Where can I find the specifications for .p7b?
  • Which MIME-type is associated with the .p7b extension?
  • How can I convert .p7b files to another format?
  • What are other, similar filename extensions to .p7b?

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

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

.p7b file extension details

PKCS #7 Certificate Data in Base 64 Format

PKCS #7 Certificate Data in Base 64 Format .p7b file icon
P7B file is a PKCS #7 Certificate Data in Base 64 Format. In brief, a digital certificate is a part of a public key infrastructure (PKI), which is a system of digital certificates, certificate authorities, and other registration authorities that verify and authenticate the validity of each party involved in an electronic transaction through the use of public key cryptography.
Category: Data files
Application: Microsoft Windows Certificate Manager
Mime-type: application/pkcs7-signature
Magic number: -
Magic string: -
Sample: -
P7B aliases:
P7B related links:
P7B 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 .p7b file extension.

.p7b file extension error

The .p7b file extension is often given incorrectly!

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

pub, pb, p7f, p7

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Corel Ventura Publisher Publication
Microsoft Publisher Document
PureBasic Source Code
Unknown P7F File
XV Visual Schnauzer Bitmap
open .p7b file

Can't open a .p7b 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 .p7b file association, check the FAQ.

.p7b 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 .p7b file extension, write to us!

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