Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and explain results clearly.

Using the example in our spreadsheet or a similar spreadsheet, highlight all the revenue numbers in the sheet and then in the ...

Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with ...

Microsoft's spreadsheet program can do way more than you might imagine. These are the hacks and tricks you need to know.

The new year will bring a host of tax benefits that Americans can take advantage of when filing their taxes in a few weeks. The IRS released its guidance for the "no tax on tips" and "no tax on ...