Outlook encrypted emails

Copper Contributor

I would like to learn how to encrypt emails.


I have purchased a business basic account. Is it possible to encrypt emails via the Outlook Web app similar to 365 personal account where there is a padlock to select encryption.


I have tried to encrypt through the desktop version but this requires a digital certificate. 

2 Replies
The various methods to encrypt messages in O365 are listed here: https://learn.microsoft.com/en-us/microsoft-365/compliance/email-encryption?view=o365-worldwide
Office message encryption/Purview Message encryption is the easiest to setup/use, however it's not included in the Business Basic subscription, afaik. You need Business Premium, or to add the standalone AIP SKU: https://learn.microsoft.com/en-us/microsoft-365/compliance/ome-faq?view=o365-worldwide#what-subscrip...


Digital certificate is NOT necessary, please refer below, by using digital signing under OWA:


Encrypt messages by using S/MIME in Outlook Web App - Microsoft Support