Cybersecurity
03 Sep 2025
2 min read
Creating a CA Bundle and Converting an SSL Certificate to .PFX
Managing SSL/TLS certificates is a routine task for many developers and system administrators. One common requirement is to combine intermediate certificates into a CA bundle and then convert the certificate and private key into a .pfx file. The .pfx format, also known as PKCS#12, is commonly used when importing certificates into Windows Server and IIS, Microsoft Exchange, and other applications that expect a PKCS#12 bundle. This guide walks through the process.