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For instance, open up Notepad and make that window active. One reader suggested giving focus to another application while the macro is running in the Excel worksheet. If you do turn it off, you can later turn automatic calculation back on by placing the following line near the end of your macro:Īpplication.Calculation = xlCalculationAutomatic It is a good idea to turn off automatic calculation in a macro only if your macro doesn't rely on calculated information in the worksheet. To turn off automatic calculation, use this line at the beginning of your macro:Īpplication.Calculation = xlCalculationManual Doing so makes sure that Excel doesn't try to calculate intermediate results while the macro is moving things around or otherwise working with data. You may also want to turn off automatic calculation while your macro is running. At the end of your macro, you reverse the effect of the two lines you added: #EXCEL FOR MAC WORKBOOK TAKES LONG TIME TO UPDATE FULL#If your macro is making a lot of changes in the data in the worksheet, and a full recalculation is triggered after each change, then with such a large workbook, lots and lots of time can be spent just doing the recalc. This last line is included so that changes done by the macro in your worksheet won't trigger Excel's recalculation routines. These turn off screen updating, which can slow down a running macro, and disable events. #EXCEL FOR MAC WORKBOOK TAKES LONG TIME TO UPDATE CODE#These are the code sections you then focus on, so you can figure out what they are doing that is taking so long.Īnother thing is to make sure you add these two lines at the beginning of your macro: In that way, you can determine which portions of your code are taking the longest time to execute. At the beginning of a section of code you want to analyze, you call the first routine (which saves the start time) and then at the end of the section of code you call the second routine. Add a small routine that saves a time value and another routine that compares that saved value to the current time and displays the difference. A good place to start is to add some "timer code" in your macro. ![]() Problems like this can be baffling, and they often take some heavy-duty analysis in order to figure out. ![]() Even though Fredric's workbook is large (46 MB), the time differential between the two methods of running is bothersome. When he runs the macro outright, it seems to take forever to run, often taking 20 minutes or more to execute. When he is running the macro in the VB Editor using F8 (stepping through the macro), it completes in just a few minutes. Fredric wrote about a problem he was having with a macro. ![]()
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