Depending on your settings, Excel workbooks typically open with one to three worksheets, named Sheet1, Sheet2, etc:
To add additional worksheets, simply click on the Insert worksheet icon ().
To delete a worksheet, simply right-click on the worksheet name and select Delete:
To change the name of a worksheet, double-click the current name and begin typing:
The two most common ways to close a Microsoft Excel workbook are:
When you close your workbook, you will be prompted to save if you have made any changes since the last time you saved.