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or on any other data source. Ms Access ability to process large amount of data may come very handy in many cases. Of course, you can perform those analyzes in Excel itself but doing it using Access is both much more comfortable and error-proof. Excel is irreplaceable when you should check less than hundred rows of data but when row numbers came to several hundreds and more possibility to make errors raise exponentially. At the other hand, Access operate with whole columns and it make this job easily as possible. On this post it will be explained how to link Excel on Access, but you can use the vary same method to link Excel on any other data source like text files, xBase, ODBC… Continue reading ‘MS Office: Link Excel to Access’ »

IsError function is used to check for errors in expressions or cells. At first sight most usefull case when you will need to use this function is to suppress division by zero error automatically. If not, you can always check for #DIV/0! cell by cell - but it would be inappropriate use of all this comfortable technology. This can’t be done without IF function which one is described in previous post on this website right here. You can save lots of your time resources and energy just by using combinations these two functions. Continue reading ‘MS Excel: ISERROR Function’ »

Excel’s VLOOKUP and HLOOKUP function, which stands for vertical and horizontal lookup, is used to search for wanted information stored in sheet which could be in same or different XLS file.

If you have sheet “order” with enlisted items and sheet “prices” with items price list you can search for the prices of ordered items to calculate total amount of order.

If you have sheet “overdue” with enlisted over debt partners for sending warning letter and you have sheet “partner master data” with full partners addresses, you can search for selected addresses using these LOOKUP function. Continue reading ‘MS Excel: VLOOKUP and HLOOKUP Function’ »

Very useful function in Excel is this one. It tests a value in a specific cell to see if that value meets a certain condition. If condition is true, first result will happen, if false, a second result will happen.

It looks complex (especially combined with VLOOKUP – my favorite one) so many people avoid using it. It was complicated to me in beginning but after some time I’m stopped to notice it complexity. Now, its use is so mechanical, I’m not even think much of it when I’m using it. Continue reading ‘MS Excel: IF Function’ »

Be alerted to an issue in Excel 2007 (and Excel Services 2007) which involving calculation of numbers around 65,535. The first example was =77.1*850, but it became clear from testing as well as additional reports that this was just one instance where Excel 2007 would return a value of 100,000 instead of 65,535. The majority of these additional reports were focused on multiplication (ex. =5.1*12850; =10.2*6425; =20.4*3212.5 ), but testing showed that this really didn’t have anything do to with multiplication - it manifested itself with many but not all calculations in Excel that should have resulted in 65,535 (=65535*1 and =16383.75*4 worked for instance). Further testing showed a similar phenomenon with 65,536 as well. This issue only exists in Excel 2007, not previous versions.

Continue reading ‘Excel 2007 Error!’ »

You can open Excel and within Excel you can open XLS files, but not with double click on XLS file in windows explore. This is not a solution for the issue above, it’s bypass with some side effects. You have to disable DDE for selected file type and to pass XLS filename to Excel as parameter. Side effect is with each doubleclick on XLS file you will start new instance of Excel but using existing one. This will affect windows ability to group similar buttons on taskbar. Continue reading ‘Slow opening Excel files through explorer’ »