With Microsoft 365, the "new" Outlook email has a contact problem and I cannot resolve it.

Question

With Microsoft 365, the "new" Outlook email has a contact problem and I cannot resolve it.

Richard Ciarrocca 20

Microsoft 365 in the "new" email, the contacts cannot be edited or deleted. I have deleted and reinstalled them program and to no avail. When I go to the classic email and try to make the switch to the new Outlook, it will not work. So, what to do?

Hornblower409 12,515 Reputation points

2026-03-22T04:48:21.69+00:00

@Richard Ciarrocca said

When I go to the classic email and try to make the switch to the new Outlook, it will not work.

Do you mean the "Try the new Outlook" toggle is not there? Not enabled? Does nothing when you click it?

You can also try running both versions Side-By-Side
https://support.microsoft.com/en-us/office/run-new-outlook-and-classic-outlook-side-by-side-a624c36d-c50f-43bc-9c8b-dd17b5690ffb

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Hornblower409 12,515 Reputation points

2026-03-22T04:48:21.69+00:00

@Richard Ciarrocca said

When I go to the classic email and try to make the switch to the new Outlook, it will not work.

Do you mean the "Try the new Outlook" toggle is not there? Not enabled? Does nothing when you click it?

You can also try running both versions Side-By-Side
https://support.microsoft.com/en-us/office/run-new-outlook-and-classic-outlook-side-by-side-a624c36d-c50f-43bc-9c8b-dd17b5690ffb

Answer 1

Arlene D 36,210 Independent Advisor

Hello,

Do the contacts change if you edit them in Outlook on the web?

Open Outlook on the web and go to People to edit or delete the contacts. If it works there, reset the app in Settings, General, Privacy and Data, then Reset. Also remove and re-add your account in Settings, Accounts to refresh sync.

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