>> P12 file

P12 file format description

Many people share .p12 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .p12 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .p12 files.

2 filename extension(s) found in our database.

.p12 - PKCS #12 Data File

The P12 data files are related to OpenSSL. P12 file is a PKCS #12 Data File. The PKCS #12 file, where PKCS stands for Public-Key Cryptography Standards. A P12 file contains a binary representation of a certificate, including both its public and private keys.

Data files
- / -
pfx, pkcs12
PKCS #12 Data File related extensions:
OpenSSL Certificate Authority Data
Certificate File
Certificate Signing Request
Certificate File
Key Database File
OCSP Request Data

.par2 - Parity Archive V2

The PAR2 archive files are related to QuickPAR. PAR and PAR2 files are parity data that can be used to recover missing or damaged files in a set, such as a set of RAR files or images.

Archive files
- / -
p01, p02, p03, p04, p05, p06, p07, p08, p09, p10, p11, p12, par
Parity Archive V2 related extensions:
Parity Archive V2
QuickPAR Cache Data

Naturally, other applications may also use the .p12 file extension. Even harmful programs can create .p12 files. Be especially cautious with .p12 files coming from an unknown source!

Can't open a .p12 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 can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .p12 file extension is often given incorrectly!

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

p1, p2, p21, pl2, pw2

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Express STEP Data Model
3D Home Architect Second Level Floor Plan
Pic2 Image
Fanatec PWTS Steering Wheel Data
HI-TECH C Compiler Precompiled

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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