Beginning with Excel 2013, each new workbook contains one worksheet. You can change the number of worksheets that appear by default in a new workbook.
Under Excel, click.
On the When creating new workbooks, in the Include this many sheets box, enter the number of sheets that you want to include by default when you create a new workbook.tab, under
Click any other tab to return to your file.
Now, each new workbook you create will contain the number of worksheets you chose as a default.