A pivot table is a must-have tool for power Excel users. It lets you see the bigger picture, where you can make sense of ...

Learn how to quickly summarize Excel data on-the-fly using these easy-to-implement features. Summarizing data is one of Microsoft Excel’s main functions. The good news is that a lot of number ...

Familiarity. Microsoft Excel launched in 1982 (under the name Multiplan) as a basic, though reliable, spreadsheet software program -- that's steadily evolved to meet its consumers' needs.

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.