Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .p7m

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

Below, you can find answers to the following questions:

  • What is the .p7m file?
  • Which program can create the .p7m file?
  • Where can you find a description of the .p7m format?
  • What can convert .p7m files to a different format?
  • Which MIME-type is associated with the .p7m extension?
PKCS #7 Encrypted Message .p7m file icon

PKCS #7 Encrypted Message

P7M file is a PKCS #7 Encrypted Message. The P7M encrypted e-mail messages have a null body with an attachment smime.p7m. This attachment probably contains the encrypted message.
Category: Data files
Application: p7mViewer
Program name: -
Mime-type: application/pkcs7-mime
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Certificate File
Key Database File
PKCS #12 Data File
Certificate Revocation List
Microsoft Serialized Certificate Store
PKCS7 Signature
PGP Security Signature/Key
GnuPG Signature/Key

Other types of files may also use the .p7m file extension. If you have helpful information about .p7m extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

XV Visual Schnauzer Bitmap
Avid Pro Tools Plugin Map
Perl Module
PM Bitmap Image
Pegasus Mail Folder State
Python Macro File

The .p7m filename extension is often given incorrectly!

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

p7 (1), pym (1), pm7 (1), pim (1), pum (1), pm (1)

Can't open a .p7m file?

If you want to open a .p7m file on your computer, you just need to have the appropriate program installed. If the .p7m association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.p7m

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 from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android

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