add clearall to set-ExcelRange;

Set-Row.ps1

@@ -13,7 +13,7 @@
         Set-ExcelRow -Worksheet $ws -Heading Total -Value {"=sum($columnName`2:$columnName$endrow)" }
 
         $Ws contains a worksheet object, and no Row number is specified so
-        Set-ExcelRow will select the next row after the endof the data in
+        Set-ExcelRow will select the next row after the end of the data in
         the sheet. The first cell in the row will contain "Total", and
         each of the other cells will contain
             =Sum(xx2:xx99)

SetFormat.ps1

@@ -124,7 +124,10 @@
                 $Range = $WorkSheet.Cells[$Range]
             }
             elseif ($Range -is [string]) {Write-Warning -Message "The range pararameter you have specified also needs a worksheet parameter." ;return}
-            #else we assume Range is a range.
+            #else we assume $Range is a range.
+            if ($ClearAll)  {
+                $Range.Clear()
+            }
             if ($ResetFont) {
                 $Range.Style.Font.Color.SetColor( ([System.Drawing.Color]::Black))
                 $Range.Style.Font.Bold          = $false
@@ -332,6 +335,7 @@ if (Get-Command -ErrorAction SilentlyContinue -name Register-ArgumentCompleter)
     Register-ArgumentCompleter -CommandName Set-ExcelRange   -ParameterName FontName        -ScriptBlock $Function:ListFonts
     Register-ArgumentCompleter -CommandName Set-ExcelRow     -ParameterName FontName        -ScriptBlock $Function:ListFonts
 }
+
 function Expand-NumberFormat {
     <#
       .SYNOPSIS