We know that if you encrypt a message with a certain public key, it can only be decrypted by the corresponding private key. … The reason is that the recipient is trying to open the email in “cache exchange mode” which does not allow encrypted emails.Ĭan encrypted messages be decrypted ?. Senders have the option to & quot encrypt & quot an e-mail message so that the message is more secure. Microsoft Outlook is a popular e-mail program used to send and receive messages. Why can’t I open encrypted emails in Outlook ?. If you choose “No SMS code”, recipients using the Gmail app will be able to open it directly. These settings affect both the text of the message and any attachments. Tip: If you’ve already turned on confidential mode for an email, go to the bottom of the email, then click Edit. This means that as your email travels between Google’s data centers and the computer you use to read your email, it’s encrypted and secure. Read also : How to Save a Document in a Windows Based System. Since 2010, HTTPS is the default when you log into Gmail. How do I open an encrypted email on a Mac?Ĭan encrypted emails be opened? image credit ©.How do I open encrypted email on my laptop?.