Fix Cannot Create a Distribution List in New Outlook for Mac
Question details
Users are unable to create or view distribution lists (contact lists) when using the new Outlook for Mac experience.

- Product
- Microsoft Outlook for Mac
- Device & OS
- Mac
- Scenario
- Attempting to create a contact group or distribution list to email multiple recipients at once in Outlook version 16.71.2 or newer.
- Observed behavior
- The feature to create a distribution list is missing in the new interface, and lists created via the web version disappear immediately upon syncing to the Mac application.
Check your Outlook interface to confirm whether you are currently using the 'New Outlook' or the 'Legacy Outlook' experience, as this directly affects feature availability.
Switch Back to Legacy Outlook for Mac
Reverting to the legacy version of Outlook restores full support for creating and managing distribution lists natively on your Mac.
The inability to create contact lists is an expected behavior in the new Outlook for Mac experience, as the feature is still under development by Microsoft. To regain access to this functionality immediately, you can easily toggle back to the classic interface.
Launch Outlook for Mac. Look for the 'New Outlook' toggle switch located in the top-right corner of the application window, or check under the 'Help' menu in your Mac's top menu bar.
Click the toggle to turn off the 'New Outlook' experience. A confirmation prompt may appear asking for your feedback on why you are switching back.
Allow the application to revert and restart. Once Legacy Outlook loads, navigate to your Contacts to create your distribution list normally.

Create Contact Lists via Outlook on the Web
If you prefer to stay on the new Outlook interface for emails, you can manage your contact lists directly through your browser.
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Frequently Asked Questions
Why do contact lists created on Outlook Web disappear in the New Outlook for Mac?
The New Outlook for Mac does not yet fully support the synchronization and display of distribution lists. When the app syncs with the web server, it fails to render the lists, causing them to appear as if they have disappeared.
Will the new Outlook for Mac eventually support distribution lists?
Yes, Microsoft has indicated that native support for contact lists in the new Outlook for Mac is under development. You can track its progress and expected release date via the official Microsoft 365 Roadmap.
Can I import a CSV file to create a list in the new Outlook for Mac?
Because list management is currently unsupported in the new experience, bulk importing contacts into a specific list via CSV is unreliable. It is highly recommended to switch to Legacy Outlook or use the web interface for importing.




