[office-js-preview] (Outlook) Beta tag notification items (#46234)
[office-js-preview] (Outlook) Beta tag notification items (#46234)


mcliment/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,markogresak/DefinitelyTyped,georgemarshall/DefinitelyTyped