Exam 77-420 Microsoft Excel 2013 1. Create and Manage Worksheets and Workbooks 1.5 Configure Worksheets and Workbooks to Print or Save   Save Your Work This is a good time to Save your work. Microsoft Excel 2007, 2010 and 2013 have a different file format than previous versions of Excel. This lesson will show how to use the Save options to create versions of your work that are backwards compatible.   What Do You See? At the top of the screen you might see Book1-Microsoft Excel.   New spreadsheets are named Book1. That is the clue that they are NOT saved.   Keep going... Memo to Self: It may say Book2, 3 or whatever depending on how many spreadsheets you opened. That is OK. Microsoft Excel: Book1