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Outlook calendar missing owner permissions
Recently I discovered that that ability within OL 2019 via M365 calendar properties when adding a user as an owner or custom doesn't show any longer. All I get is four radial buttons when adding a us...
- That's the expected behavior now. If you want "custom" levels, use PowerShell. Or use a reg key to bring back the old dialog: https://www.slipstick.com/outlook/calendar/restore-outlooks-classic-permissions-dialog/
You can restore the classic permission options by creating the Following Dword in RegEdit.
HKCU\Software\Microsoft\Office\16.0\Outlook\Options\Calendar\
DWORD: ShowLegacySharingUX
Value: 1
HKCU\Software\Microsoft\Office\16.0\Outlook\Options\Calendar\
DWORD: ShowLegacySharingUX
Value: 1