Send S/MIME or Microsoft Purview encrypted emails in Outlook
Send S/MIME or Microsoft Purview encrypted emails in Outlook using a work or school account with a qualified Microsoft 365 subscription.
Learn about securing and protecting email messages in Outlook
Learn how to use encryption and other security settings to protect messages sent from Outlook.
Send encrypted messages with a Microsoft 365 personal or family ...
If you have a Microsoft 365 Family or Microsoft 365 Personal subscription, Outlook includes encryption features that let you share your confidential and personal information while ensuring that your email …
Set up Outlook to use S/MIME encryption - Microsoft Support
You can use encryption and digital signatures in new Outlook, classic Outlook, and Outlook on the web for work or school accounts to increase the security of messages.
Send a digitally signed or encrypted message for Mac
In an email message, choose Options, select Encrypt and choose the encryption option that has the restrictions you'd like to enforce, such as Do Not Forward or Encrypt-Only.
Open encrypted and protected messages - Microsoft Support
Learn how to identify and open encrypted and protected emails no matter what email client you're using.
在 Outlook 中发送 S/MIME 或Microsoft Purview 加密电子邮件
在“ Email安全性 ”选项卡上的“ 加密电子邮件 ”下，选择“ 加密传出邮件的内容和附件 检查”框。 若要更改其他设置（例如选择要使用的特定证书），请选择 “设置 ”。 选择完设置后，选择“ 确定 ”以保存更改。
Use a screen reader to define rules that encrypt or decrypt email ...
Create email encryption or decryption rules in the Exchange admin center using a keyboard and screen reader.
Outlook で S/MIME または Microsoft Purview で暗号化されたメールを …
注: 新しい Outlookは、メール サーバーにOffice 365 Enterprise E3 ライセンスがある限り、Microsoft 365 Message Encryption をサポートします。 そうでない場合は、S/MIME を使用してメッセージを …
Secure messages with a digital ID in Outlook - Microsoft Support
To send and receive encrypted email messages, both the sender and the receiver must share their digital ID certificates with each other. Open a message that is digitally signed as indicated in the …