Enter your macOS login password, then click the Always Allow button so that the OS will remember your decision. S/MIME support for Outlook on the Web (OWA) used to be only available in Internet Explorer but it is now also possible to add this to Google Chrome and the new Microsoft Edge browser.
Since you can only send an encrypted message to a person if you have their public key, it makes more sense to leave this unchecked. Use the checkbox labeled Encrypt outgoing messages to set your default encryption preferences.Please read this how-to for more information.
#Google hosted smime outlook install#
If you are signing with a Business Identity certificate on a YubiKey, you will need to install a separate S/MIME certificate for encryption. For most users, you can use the same certificate you selected for signing. Next, choose a certificate for encryption from the Certificate menu under Encryption.It is recommended to check all three boxes. Choose your default email signing preferences.If so, make sure that the YubiKey is plugged into the computer when sending signed email. Note that if you are using a Business Identity certificate installed on a YubiKey, you can choose that key for signing. Choose the certificate you want to use for signing from the Certificate drop-down menu under Digital Signing.Select the account your certificate covers, then click the Advanced button.Open Outlook and select Tools > Accounts from the menu.