最新のExcelなら数式でも簡単だが、古めのExcelならマクロがいいと思います。少し多めにC1:CX200を対象にしています。
Sub test()
Dim i As Long, r As Range, dic As Object
Set dic = CreateObject(\u0026quot;Scripting.Dictionary\u0026quot;)
Columns(\u0026quot;A:B\u0026quot;).ClearContents
For Each r In Range(\u0026quot;C1:CX200\u0026quot;)
If r \u0026gt; \u0026quot;\u0026quot; Then dic(r.Value) = dic(r.Value) + 1
Next
Cells(1, 1) = \u0026quot;メールアドレス\u0026quot;: Cells(1, 2) = \u0026quot;データの個数\u0026quot;
Cells(2, 1).Resize(dic.Count) = Application.Transpose(dic.keys)
Cells(2, 2).Resize(dic.Count) = Application.Transpose(dic.items)
Cells(2, 1).Resize(dic.Count, 2).Sort Cells(2, 2), xlDescending, Header:=xlNo
End Sub