Purchased and downloaded your certificate from your certificate provider like Godaddy, Digicert, SSL.com etc.. Convert your .crt file to a .cer file Locate your downloaded .crt file, and double-click to open it. Select the Details tab, and then the Copy to File button. Select Next in the Certificate Wizard. Select Base-64 encoded X.509(.CER) and then select Next. Select Browse, locate where you want to save your .CER file, and type Read More