The live preview in Excel shows how a feature affects the document as you hover over different choices. For example, when hovering over different types of charts, the selected data will demo different charts. To disable the Live Preview, please following the steps below:
Step 1: Click the "File" Tab from the ribbon;
Step 2: Click "Options" from the left navigation menu;
Step 3: Click "General" from the left navigation menu in the dialog box;
Step 4: Uncheck "Enable Live Preview" in the main window.