Excel Add-Ins are applications written by independent programmers that provide enhanced capabilities for the primary software. Here's how to install, manage, and choose the best Add-Ins available.

This screenshot guide shows you hwot to create, customize and insert a watermark in Microsoft Excel using two different methods.

Tgood37 asked the Answer Line forum how to add checkboxes to Excel spreadsheets, and make sure that checking a box will have an effect.

Learn how to add, configure and use checkboxes in Excel to create interactive task lists and trigger formatting without relying on macros.

Learn how to add a highlight to expose groups in your Microsoft Excel data using a helper column and Excel’s conditional formatting feature.

If your business uses an Excel file to track sales information, you can use the SUM formula to add up all order totals.