An exclamation point separates the worksheet reference from the cell reference.
Reference is a range that spans two or more worksheets in a workbook.
Sheet range is specified by a colon between the beginning and ending sheets. Hands-on Exercise 1 Open a New Workbook Open a new workbook. Delete Sheet 2 and Sheet 3, if any, appears at worksheet tab. Save Sheet 1 as Corporate Sales in the Exploring Excel Folder. Open the Individual Workbooks Open Atlanta, Boston, and Chicago workbooks.