Don't panic—your Excel isn't broken. If your column letters suddenly turn into numbers, you've stumbled into R1C1 mode. While it looks like a glitch, it's actually a high-level tool that lets you ...

Microsoft Excel relies on two fundamental reference types when addressing other cells. Absolute references -- which are denoted with a "$" -- lock a reference, so it will not change when copying the ...

Open a blank spreadsheet in Excel. Label cell A1 "Daily Sales." Label cell B1 "Last 2 Days." Label cell C1 "Running Total," and then set column width to 15 for these three columns. Change the color of ...