こんにちは
例えばClosedXMLなら以下になります。
Using wb As New ClosedXML.Excel.XLWorkbook(filename)
Dim ws As ClosedXML.Excel.IXLWorksheet = wb.Worksheet(sheetName)
ws.Rows(3,4).Hide()
ws.Columns("C:D").Hide()
wb.Save()
End Using
Sample
Sample20231114-4L.zip (8.6 KB)