Range.NumberFormat property (Excel) | Microsoft Learn
learn.microsoft.com › en-us › officeSep 12, 2021 · This property returns Null if all cells in the specified range don't have the same number format. The format code is the same string as the Format Codes option in the Format Cells dialog box. The Format function uses different format code strings than do the NumberFormat and NumberFormatLocal properties. For more information, see Number format ...