Follow the following steps to open "Revenue.xls":
Step 1:
Open Microsoft Excel.
Step 2:
Click on the "File" button (at top left).
Step 3:
When you click on the File button, the list will pop up which will contain the option "Open."
Click "Open".
Step 4:
Now select the "Revenue.xls" file and open it!
That's it! :)
