Open File > Options > Trust Center > Trust Center Settings… and click Email Security.

To encrypt all outgoing messages, enable the following settings in the Trust Center Settings:

Click on ‘Trust Center Settings’ and click Import/Export under Email Security.Open Outlook, navigate to File > Options > Trust Center.Once you have the digital ID or certificate, follow these steps to set up and use S/MIME to send secure messages in Outlook. You can get this from your IT administrator. To encrypt your outgoing emails in Outlook with S/MIME, you need a key or digital ID (certificate). In Outlook, you can use the S/MIME encryption to secure a message before sending it. However, the Microsoft 365 Message encryption requires the Office 365 Enterprise E3 license to work in Outlook.īesides these two encryption options, you can use a third-party add-in to send or receive a message in Microsoft Outlook securely.īelow, we have discussed these methods in detail with step-by-step instructions. The S/MIME is the default encryption method used by Outlook to send or transmit emails over the network. When it comes to sending secure email in Microsoft Outlook, it offers two different encryption options: Methods to Send Secure Email in Microsoft Outlook

In this article, you will learn three different methods to send or receive a secure email in Microsoft Outlook.

Microsoft secure email login