How to disable Simplified Account Creation in Outlook 2016, Outlook 2019 and Outlook for Office 365

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  1. Exit Outlook.
  2. Start Registry Editor. To do this, use one of the following procedures, as appropriate for your version of Windows.
     
    • Windows 10, Windows 8.1 and Windows 8: Press Windows Key + R to open the Run dialog box. Type regedit.exe, and then click OK.
    • Windows 7: Click Start, type regedit.exe in the search box, and then press Enter.
  3. In Registry Editor, locate and then click the user settings subkey in the registry:

      HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\setup

    or the group policy subkey in the registry:
      HKEY_CURRENT_USER\SOFTWARE\Policies\Microsoft\Office\16.0\Outlook\setup
  4. Point to New on the Edit menu and then DWORD (32-bit) Value.
  5. Type DisableOffice365SimplifiedAccountCreation, and then press Enter.
  6. Right-click DisableOffice365SimplifiedAccountCreation, and then select Modify.
  7. In the Value data box, type 1, and then click OK.
  8. On the File menu, select Exit to exit Registry Editor.