Microsoft Excel is a power-packed program with some of the best tools for people working in data-related fields. It provides users with a seamless blending of advanced calculations, pivot tables, ...

Alan is a technology author based in Nova Scotia, Canada. A computer enthusiast since his youth, Alan stays current on what is new and what is next. With over 30 years of experience in computer, video ...

Microsoft Excel's Data Validation tool lets you add a drop-down list to a cell based on existing data in a column. However, how this works depends on whether the source data is part of a formatted ...