In this tutorial, we learn how to link two workbooks and cells in Excel. First, save both of the files that you want to link together. Make sure you only have one Excel window open, then double click the other Excel file, don't open separately. Next, type in the equals sign into the "A" column, then to go the window menu and you will be able to see all the Excel files currently open. Now, click "link" and you will be taken back to the original worksheet. Now, you will be linked to the other notebook. You can see this by looking in the formula bar.