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If you find that you’ve just landed at row 50,000 and column GS, and you know that your data set does not expand that far, go back to the last cell in your data set and delete all the cells to the right and below it. That will reduce the used range and should add that extra boost.Often times we shut shop the moment we think we have the formulas working and VBA code running properly.No wonder the spreadsheet responded to my commands with utmost disdain!
As a part of building this chain, it also tries to sequence all the calculations so that those cells which are the ‘least’ dependent on other cells are stacked at the beginning of the chain and the ones that are ‘most’ dependent are stacked towards the end of the chain. Calculate the cells that are marked in the chain one by one, starting from the top and proceeding along to the bottom of the chain.But in many other cases, especially when you have volatile functions in your complicated formula, by virtue of point 2 above, you may want to simplify things for Excel by breaking things down into smaller easily digestible pieces for it. Sometimes the VBA code can do the job much faster, on others it can slow thing down. Like any other language, reuse variables and define data and return types so that you don’t keep VBA from guessing an object’s type at run time.That way, Excel may have to perform a much smaller number of calculations. Screen Updating = False at the beginning of your VBA code and end it with Application. It relieves Excel of it’s duty to update the screen till the time the code is getting executed. Additionally if you write your custom VBA functions (also called the UDF or User Defined Function), until unless you are a coding God, there is a strong chance that your function is going to consume more system resources than a comparable in built VBA function.The key to increasing speed of calculation and improving performance of your excel worksheet and VBA code lies in understanding how Excel calculates (and re-calculates) each cell and resolves dependencies.Whenever an event occurs that causes Excel to recalculate (for example a cell is changed, a VBA code calls for re calculation or anything else), the entire calculation process is carried out roughly as follows: 1.