If you record daily sales data in Excel, it may be impossible to explain variances from day to day. Instead, it may make more sense to summarize the data by week to spot trends and explain variations.

Most online Excel tutorials are obsessed with flashy new functions, complex formulas, or clever hacks that solve simple problems in overly complicated ways. But the real upgrade isn't new or exciting ...

Here’s a quick method, and the equivalent keyboard shortcut, for selecting an entire data range. Working with a complete data set is a common task in Excel. You might want to move the data, apply a ...