Use the Exchange admin center (EAC) to manage email app access for a mailbox:
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Access Mailbox Settings:
- In the EAC, go to Recipients > Mailboxes.
- Select the desired mailbox from the list.
- In the mailbox details pane that appears, go to the Mailbox tab.
- Find the Email apps section, and click Manage email apps settings.
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Enable or Disable Email Apps:
- In the Manage settings for email apps pane, you can enable or disable the following email app protocols:
- Outlook desktop (MAPI)
- Mobile (Exchange ActiveSync)
- IMAP
- POP3
- Outlook on the web
- Toggle the switches to Enabled or Disabled as needed.
- In the Manage settings for email apps pane, you can enable or disable the following email app protocols:
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Save Changes:
- Click Save to apply the changes.
- A confirmation message should appear.
- Click Close to exit the pane.
Improve your email management:
Consider using SaneBox to streamline your inbox. Learn more and start a free 14-day trial (no credit card required): https://www.sanebox.com/learn
Advanced Configuration (PowerShell):
For more granular control, use Exchange Online PowerShell. Refer to the official Microsoft documentation: Exchange Online PowerShell.