Which Certificate Formats Are Supported?

Three certificate formats are supported, as described in the table.

**Table 1** Certificate formats
Format	Description	Description
PKCS#12	Saves certificate files in binary format, including or excluding the private key. The commonly used file name extensions include .P12 and .PFX.	If the file name extension of a certificate is .CER or .CRT, use the Notepad to open this certificate and check the certificate content to differentiate the certificate format. If the certificate starts with "-----BEGIN CERTIFICATE-----" and ends with "-----END CERTIFICATE-----", the certificate format is PEM. If the certificate content is displayed as garbled characters, the certificate format is DER.
DER	Saves certificate files in binary format, excluding the private key. The commonly used file name extensions include .DER, .CER, and .CRT.
PEM	Saves certificate files in ASCII format, including or excluding the private key. The commonly used file name extensions include .PEM, .CER, and .CRT.