To extract and sort non-adjacent arrays in your data, nest the CHOOSECOLS or CHOOSEROWS functions inside your SORT or SORTBY formula. Alternatively, to extract, filter, and sort columns from a dataset ...

Use the RANDARRAY() dynamic array function to return random names or other text in Microsoft Excel.

It's easy to return random values in Microsoft Excel, but returning random letters might leave you scratching your head. Fortunately, you only need two functions.