apk zippy

ProblemIn Excel 2010, when you try to create a pivot table it give the following error message:Data source reference is not vaildSolutionOften this happens because you opened a CSV or other data file directly from another program.Make sure you save your data file first, before you attempt to create a pivot table. It will work if it is a saved csv, xls, xlsx, e...

IntroductionFreeFileSync is a small, simple program for synchronising the files in two locations. For example, if you store files on C: but keep a copy on a USB flash drive as a backup, you can use FreeFileSync to keep the files up-to-date in both locations! That's the advantage over just copying the files. Also, you don't copy all the files each time, you just copy the ones that have changed or that...