Many times the macro may do quite a bit with the data, such as selecting different cells, replacing values or formulas, and taking other types of actions.
This means that the Excel screen can look like it has "gone crazy" while the macro is running.
You can find a version of this tip for the older menu interface of Excel here: Turning Off Screen Updating.
Allen Wyatt With more than 50 non-fiction books and numerous magazine articles to his credit, Allen Wyatt is an internationally recognized author. Four world-class developers offer start-to-finish guidance for building powerful, robust, and secure applications with Excel.
Worksheet Function | Screen Updating | Display Alerts | Calculation The mother of all objects is Excel itself. The application object gives access to a lot of Excel related options. As a result, Excel VBA closes your Excel file, without asking you to save the changes you made. If your workbook contains many complex formulas, you can speed up your macro by setting calculation to manual. For example, place a command button on your worksheet and add the following code line: When you click the command button on the worksheet, Excel VBA sets calculation to manual. You can verify this by clicking on File, Options, Formulas. Now when you change the value of cell A1, the value of cell B1 is not recalculated.