![]() ![]() Please note that setting the calculation mode back to xlCalculationAutomatic will automatically trigger a recalculation of the worksheet. '- mdlCalculationMode -Īpplication.Calculation = xlCalculationManualĪpplication.Calculation = xlCalculationAutomatic The idea is to put Excel in Manual Calculation mode, run your code, and then switch back to Automatic Calculation mode. ![]() Turning off Excel's automatic calculation behavior can dramatically speed up your macros. When a workbook is in manual calculation mode, the workbook does not recalculate until you explicitly trigger the calculation by pressing the F9 key on the keyboard. If your workbook is formula-intensive, you may not want Excel to trigger a recalculation every time a macro changes a cell value.Ĭalculation Properties to tell Excel to switch to manual calculation mode. In worksheets with a large number of formulas, this behavior can slow down your macros considerably. When automatic calculation is enabled, Excel recalculates the workbook automatically each time a value affecting a formula changes. In this article, you will find ten ways to help you keep your Excel macros running at optimal performance levels. You can take steps to improve the performance of your macros. When starting to learn programming, it is often enough to achieve the goal, and not to think more about the running speed and resource consumption of the code.Īs the level of programming increases and the complexity of the project increases, you will increasingly feel the importance of code optimization. "All roads lead to Rome", the same task can also be accomplished in different ways in VBA.
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