Please have a look at the Conditional Access policy:
- Create Conditional Access Policy:
- Under "Security," select "Conditional Access."
- Create a New Policy:
- Click on "New policy" to create a new Conditional Access policy.
- Assign the Policy:
- Users and Groups: Specify the users or groups to which this policy will apply. For example, you might choose "All users" or a specific group of macOS users.
- Cloud Apps or Actions: Choose "Office 365 Exchange Online" to restrict email access specifically.
- Conditions:
- Client Apps: Select "Client apps" and then choose "Mobile apps and desktop clients."
- Device Platforms: Select "macOS" to apply this policy only to macOS devices.
- Grant Access:
- Grant Controls: Choose "Require approved client app" and select "Outlook" as the approved app.
- Enable Policy:
- Set the policy to "On" to enable it.
- Review and Save:
- Review the policy settings to ensure they are correct, and then save the policy.
Best regards,
Aleksandr
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