Why is my VBA code slow?

Why is my VBA code slow?

A common problem that can cause performance issues in VBA macros is the usage of the . Select function. Each time a cell is selected in Excel, every single Excel add-in (including think-cell) is notified about this selection change event, which slows down the macro considerably.

What to do if Excel is slow?

How to Fix a Slow Excel File

  1. Change formula calculation to manual.
  2. Get rid of unused cells by reducing the Used Range.
  3. Remove any links to other Excel files.
  4. Check on your Excel formulas.
  5. Remove or simplify your formatting.
  6. And if all else fails…

How to speed up code execution in Excel VBA?

A simple class that can Speed-Up code execution in Excel VBA projects; procedure speed can often be an order of magnitude or more faster. Some common tricks used to speed-up VBA code execution. The main ones are: Turn off worksheet calculations. Turn off worksheet screen updating. Turn off status bar updates.

Which is faster Excel VBA or Excel worksheet?

VBA is much faster when it doesn’t need to stop and interact with the worksheet. In the following code the variable Issue_Age is read in only once from the worksheet and traffic between VBA and Excel is minimized. The code below is more than 100 times faster than the code above!

How to improve the speed of VBA macro code?

As suggested by a few others in the comments, you should definitely change Application.Calculation to xlCalculationManual and rememeber to set it back to xlcalculationAutomatic at the end. Also try setting Application.Screenupdating = False (and turning that back on again too).

How to improve the performance of an Excel spreadsheet?

When you frequently add rows or columns of data to your worksheets, you need to find a way of having your Excel formulas automatically refer to the new data area, instead of trying to find and change your formulas every time. You can do this by using a large range in your formulas that extends well beyond your current data boundaries.