Instead of doing the comparison yourself, now you can simply look at a cell’s color or icon and you’d know how it compares with others. I absolutely love conditional formatting. If there is a way to avoid array formulas (such as using helper column), always take that road. Creating Multiple Drop-down Lists in Excel without Repetition.Īrray formulas have its own merits – but speed is not one of those.Īs explained above, array formulas can take up a lot of data (cell references), analyze it, and give you the result.Dynamic Excel Filter – Extract Data as you Type.Automatically Sort Data in Alphabetical Order using Formula.Here are some Examples where helper columns are used: A couple of array formulas here and there shouldn’t hurt, but in case you need to use it in many places, consider using helper columns. But it when you try to do it all with one long formula, it does impact the performance of your Excel workbook. Rather I believe these could be awesome in some situations. The biggest benefit of using ‘Helper Columns’ is that it may help you avoid array formulas. I have seen many people shy away from creating helper columns. Helper columns are one of the most under-rated design constructs in Excel. And if you can’t, try and minimize its use. This takes additional processing speed and you end up with a slow excel workbook.Īs a rule of thumb, avoid volatile formulas. recalculate every time there is a change in the workbook.įor example, if you use NOW function in a cell, every time there is a change in the worksheet, the formula would be recalculated and the cell value would update. Functions such as NOW, TODAY, INDIRECT, RAND, OFFSET etc. Volatile formulas are called so because of a reason. Avoid Using Entire Row/Column in References.Use Conditional Formatting with Caution.Here are 10 tips to give your slow Excel spreadsheet a little speed boost, and save you some time and frustration (click to jump to that specific section). 10 Tips to Handle Slow Excel Spreadsheets However, there are many speed-up tricks you can use to improve the performance of a slow Excel spreadsheet. The way Excel has been made, it does get slow with large data sets. And there is hardly anything you can do about it. While the impact on the performance may be negligible when there is less data, it becomes more profound as you add more and more data/calculations to the workbook.ĩ out of 10 times, an Excel user would complain about the slow Excel spreadsheets. If there is one thing that unites us all, it has to be the frustration to keep up with a slow excel spreadsheets.
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