The
Certificate Authorities certificate store
This area contains S/MIME signing certificates.
Signing certificates are used to verify the other certificates that are used to encrypt, decrypt, and sign email messages passing through the
Corporate certificate store
This area contains the S/MIME and PGP certificates that belong to your organization.
The private keys contained within the Corporate certificates are used to do the following on behalf of the people in your organization:
Partners certificate store
This area contains the S/MIME and PGP certificates that belong to the people and organizations that you do business with.
The public keys contained within the Partners certificates are used to do the following: