1). Place the PFX cert on your desktop, then convert it into .cer with this command openssl pkcs12 -in USDA.pfx -nokeys -out USDA.cer When prompted for password, put the password in (12345) 2). Download the latest Citrix Workspace app. (not sure are you using Intel Mac or M1 Mac). https://www.citrix.com/downloads/workspace-app/ Once you finish the download, click the DMG file, and first uninstall the old one. Then install the new one (upgrades don’t seem to work). Do not add account/email address/work address. Then click ok or finish. Then go to Keychain access app and select the cert and select Get info and Trust the cert.