Microsoft 365 messages encryption

Hi X-Box-11-2021,

Thank you for posting your question in the Microsoft Q&A forum.

Based on your description, here are some information for your questions.

1. Is there anything else I need to enable for encrypting messages?

Do you use Exchange online mailboxes ? If so, there are several options for email encryption in O365. You can check following links to know more details about these encryption options and how to configure them:

Email encryption in Microsoft 365 | Microsoft Learn

• What are the consequences of enabling messages encryption?

Encryption is the process by which information is encoded so that only an authorized recipient can decode and consume the information. This could avoid email or information leakage for some important or sensitive message content.

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