I removed Dropbox from there, then opened Excel (or Word). When it ask to you for permission Dropbox, said No & Do not ask again. Its now 3 seconds for Word and 5 second for Excel.
Everyone hates it when excel becomes slow to respond. So here are some tips to avoid doing things that can slow down excel. Excel 2007 and later versions sport a much bigger grid which tends to amplify poor spreadsheet design. An Excel spreadsheet that seemed a bit slow in Excel 2000 would likely get bogged down to a crawl in Excel 2007 if you, like me, are using the same hardware. The key to understanding what makes excel slow lies in understanding how excel calculates and recalculates when it first opened and then when subsequent changes are made to the worksheet. At a very basic level if any cell is dependent on another cell for determining its value, the independent cell will be calculated first followed by the dependent cell. So say if cell B1 refers to cell A1, either using a formula (B1 = 10*A1) or a direct reference (B1 = A1), the cell A1 will be calculated first.
Like notepad ++ for mac. Since Excel has millions of cells, it internally maintains what is called a dependency tree. So the cells that are independent of other cells would be placed at the top and the ones which are dependent on others, later down the order.
The greater the degree of dependence, the later the cell will be calculated. The dependency list is dynamic and as and when new formulas are entered, rearrangement and sorting of the chain takes place. The first time a workbook is opened, the process may take longer (and will be likely slow for complex workbooks) than during initial calculations simply because the first time, Excel has to start from scratch while the second time, it has some benefit of already having created the dependency tree beforehand. Having said that, Microsoft has made (and probably will in future) changes to how these dependencies are calculated and processed in order to optimize performance. However generally, as a rule of thumb, a cell that is dependent on others will be calculated later than the one which is not. Now let’s get back to doing something about that slow excel workbook of ours! Arrange cells in order of their independence from left to right and top to bottom All else being equal, the cell towards the top and left will be calculated first before cells towards bottom right are processed.
With that being the case, it may be important to have the cells that are not dependent on anything else to be placed in the first column followed by cells which have a greater degree of dependence. The last column of your spreadsheet should have the cells which are the most dependent. Let’s take two scenarios. The scenario towards the left will make excel slow while the one on the right will recalculate slightly faster. I test both the scenarios and found an improvement of around 7% (4.21 secs for the former vs. 3.9 secs for the later) when cells were arranged in the order of dependence (least dependent towards the left and dependent towards the right) Here’s how you can test this out. Sub dependent_cells() t = Timer For Each cel In ActiveSheet.Columns(5).Cells cel.FormulaR1C1 = '=RC[-1]' Next cel MsgBox Timer - t End Sub Depending on you hardware spec, you may want to modify the code.