Your summarizations, analyses, projections, reports and so on, are only as good as your data. It’s important that you use every resource available to protect the validity of the data, which means you ...

As PCMag's resident data journalist, I practically live in Microsoft Excel. I've learned that it's capable of far more than I ...

I am glad to have reached Excel expert status, I hit a decade of heavy use a year or two back. A lot of the new functionality (dynamic arrays/spill formulas, which I reference above, among other ...