.pfx file: how to open it on Windows

3 Windows apps register the .pfx extension. Install one of them to open the file with a double-click.

About the format

Format

PKCS#12 certificate bundle

Abbreviation

PKCS · Public-Key Cryptography Standards

MIME type

application/pkcs12

Format data: freedesktop.org shared-mime-info and PRONOM (The National Archives, UK).

• 
  KeyStore Explorer

  An open source GUI replacement for the Java command-line utilities keytool and jarsigner

  Open source 5.7.0 45.8K ↓ ★ 2.1K
• G
  Gpg4win

  A secure solution for file and email encryption.

  Open source 5.1.1
• G
  Gpg4win (Beta)

  A secure solution for file and email encryption.

  Open source 5.0.0-beta395

Related guide: Change the default app for a file type in Windows