DOES NOT COUNT EMPTY COLUMNS AND ROWS
Used Rows
Sheets("sheetName").UsedRange.Rows.CountUsed Columns
Sheets("sheetName").UsedRange.Columns.CountLast Row
'lastRow = index of the last non-blank cell in column A(1)Dim lastRow As Long lastRow = Cells(Rows.Count, 1).End(xlUp).RowLast Column
'lastCol = index of the last non-blank cell in row 1Dim lastCol As LonglastCol = Cells(1, Columns.Count).End(xlToLeft).Column