You can increase the resources allocated to Excel.exe by the operating system by choosing either 'Above Normal' or 'High.' (Excel.exe is found in the Details tab of Task Manager with Windows 8 and Windows 10.)You will see six priority options available Excel.exe is most likely set at a 'Normal' priority level. You can do this by displaying the Task Manager, right-clicking the Excel.exe process, and then choosing Set Priority. One way to change how much of your system resources are devoted to a particular task (such as running Excel) is to modify the importance placed on the task by the operating system. He has tried setting to various values, and has been able to bend the 50% limit out to about 58%, but there is still a large amount of untapped processing power available. He wonders if there is any way to break through this barrier. Geoff has noticed that when calculating, Excel's CPU usage peaks at 50%.
