.pfx PKCS#12 certificate bundle
Other formats
| MIME type | application/pkcs12 |
|---|---|
| Description | PKCS#12 certificate bundle |
| Acronym | PKCS – Public-Key Cryptography Standards |
| Category | Other formats |
| Other extensions | .p12 |
Frequently asked questions
What is a .pfx file?
A .pfx file is a “PKCS#12 certificate bundle” (MIME type application/pkcs12). PKCS stands for Public-Key Cryptography Standards.
How do I open a .pfx file?
With the program that created the file. On Linux, xdg-mime query default with the MIME type shows the default application, and xdg-open opens the file with it.
How can you tell a genuine .pfx file?
No fixed signature at the start of the file is registered for this format; it is recognised mainly by its extension. On Linux and macOS, file --mime-type example.pfx shows the guessed type.
Which MIME type belongs to .pfx?
The MIME type is application/pkcs12. In the Apache web server: AddType application/pkcs12 .pfx; in nginx: types { application/pkcs12 pfx; }.