>> PKCS7 file

PKCS7 file format description

Many people share .pkcs7 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .pkcs7 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .pkcs7 files.

1 filename extension(s) found in our database.

.p7c - PKCS #7 Certificate Data

The P7C data files are related to Microsoft Windows Certificate Manager. P7C file is a PKCS #7 Certificate Data. 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. The Microsoft Windows Certificate Manager seems to be no longer supported.

Microsoft Windows Certificate Manager
Data files
- / -
PKCS #7 Certificate Data related extensions:
Windows Help Bookmark
Webhits Template
Visual Basic ActiveX Document
Microsoft Speech Lexicon
Microsoft Serialized Certificate Store
Windows Memory Dump

Naturally, other applications may also use the .pkcs7 file extension. Even harmful programs can create .pkcs7 files. Be especially cautious with .pkcs7 files coming from an unknown source!

Can't open a .pkcs7 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 .pkcs7 file extension is often given incorrectly!

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


Is it possible that the filename extension is misspelled?

Similar file extensions in our database:


Operating systems

DataTypes.net 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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