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Details of the .p7r file extension

The table below provides useful information about the .p7r file extension. It answers questions such as:

  • What is the .p7r file?
  • What program do I need to open a .p7r file?
  • How can the .p7r file be opened, edited or printed?
  • Where can I find the specifications for .p7r?
  • Which MIME-type is associated with the .p7r extension?
  • How can I convert .p7r files to another format?
  • What are other, similar filename extensions to .p7r?

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

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

.p7r file extension details

PKCS #7 Certificate Request Response File

PKCS #7 Certificate Request Response File .p7r file icon
P7R file is a PKCS #7 Certificate Request Response File. 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/x-pkcs7-certreqresp
Magic number: -
Magic string: -
Sample: -
P7R aliases:
P7R related links:
P7R 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 .p7r file extension.

.p7r file extension error

The .p7r file extension is often given incorrectly!

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

pir, p7f, p7, pyr, pr, p7d

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Parrot Intermediate Representation File
Unknown P7F File
XV Visual Schnauzer Bitmap
Python Repository
SOCSIM Population Pyramid File
Sun Icon/Cursor
Squeak Project
PKCS #7 Detached Signature
open .p7r file

Can't open a .p7r 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 .p7r file association, check the FAQ.

.p7r 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 .p7r file extension, write to us!

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