Export CA certificate

Open the mmc certificates management snap-in (Win+R → Run mmc → File → Add or Remove Snap-ins).

Right-click your CA certificate and select All Tasks → Export.

Export certificate

Export certificate

Click Next.

Certificate Export Wizard

Certificate Export Wizard

Select No, don’t export the private key, then click Next.

Export private key

Export private key

Select the Base-64 encoded X.509 format and then click Next.

Export file format

Export file format

Fill in the file name for your certificate, then click Next.

File name to export

File name to export

Click Finish.

Certificate export complete

Certificate export complete