Columns organize data in Excel, and are often used as categories with headers to sort cells. You can simply right-click on an existing column to add another column immediately before it.

Another handy data analysis feature in Excel is comparing columns, something you'll ... instead of the default TRUE or FALSE, ...

We can use two functions to add a prefix to multiple (or all) entries across a column. The first one is using the & operator, and the second is using the CONCATENATE function. Where <prefix> is ...