Certificate File Formats

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Certificate import and export operations support four file formats. Choose the format that meets your specific requirements.

Personal Information Exchange (PKCSÂ #12)

The Personal Information Exchange format (PFX, also called PKCSÂ #12) supports secure storage of certificates, private keys, and all certificates in a certification path.

The PKCSÂ #12 format is the only file format that can be used to export a certificate and its private key.
Cryptographic Message Syntax Standard (PKCSÂ #7)

The PKCSÂ #7 format supports storage of certificates and all certificates in the certification path.
DER-encoded binary X.509

The Distinguished Encoding Rules (DER) format supports storage of a single certificate. This format does not support storage of the private key or certification path.
Base64-encoded X.509

The Base64 format supports storage of a single certificate. This format does not support storage of the private key or certification path.

Additional references

â‡’â‡’Certificate Manager "certmgr.msc" Manual

✍: Microsoft

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Certificate File Formats
Certificate import and export operations support four file formats. Choose the format that meets your specific requirements. Personal Information Exchange (PKCSÂ #12) The Personal Information Exchange format (PFX, also called PKCSÂ #12) supports secure storage of certificates, private keys, and all... 2025-01-15, ∼2074🔥, 1💬

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