PFX File Extension - Open .PFX files

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Common File Extensions

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.PFX File Extension

2 File Associations

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File Type 1

First Choice Word Processing Document (Most common)

Category

System Files

Common?

File Description

Encrypted security file that stores secure certificates used to authenticate a person or device, such as a computer or Web server; requires a password to be opened; can be installed by right-clicking the file and selecting "Install PFX."

Program(s) that open pfx files

Windows

Microsoft Certificate Manager or Certificate Import Wizard