When I learned how to use tables in Microsoft Excel, it totally transformed how I work with data. Even if you think you already know everything there is to know about Excel tables, hopefully, you'll ...

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.

Posts from this author will be added to your daily email digest and your homepage feed. is a senior editor and author of Notepad, who has been covering all things Microsoft, PC, and tech for over 20 ...