WS_FTP ProAddendum to Users GuideExpires. Date on which the certificate expires.Adding a CertificateTo add a certificate to the database:1 Click the Import button and select the path and file name for the certificate. The Add Certificate? dialog box appears.2 Review the information on that dialog box and click Yes to add the certificate to the database.Exporting a CertificateTo export a certificate from the Trusted Authorities database:1 Select the certificate you want to copy out of your database.2 Click the Export button.3 Select the folder you want to copy the certificate to and enter the name you want to save the certificate file as.4 Click OK.Removing a CertificateTo remove a certificate:1 Select the certificate to be removed.2 Click Remove.3 A warning appears advising you to export the certificate before you remove it. Removing the certificate deletes the certificate file.4 Click OK to remove the certificate.