Description
The article describes how to import PKCS#12 certificates.
Scope
FortiGate.
Solution
PKCS#12 certificate will be there in .pfx or .p12 format and the file will contain key file with it.
To import the certificate:
Go to System -> certificates -> import -> Local Certificate -> PKCS#12 Certificate.

Upload the certificate file with password got while collecting the certificate from CA certificate authority.
For 7.0 and 7.2 FortiOS version. To import certificate:
Go to System -> Certificates -> Create/Import -> Certificate -> Import Certificate -> PKCS#12 Certificate.