The names will automatically separate into the selected column and the one next to it. If there are no empty columns, Excel will warn you that it will replace the text in the column to the right.

Learn how to change, edit or rename a Data Series name in Microsoft Excel Graph or Chart without editing the original row or column name.

To extract and sort non-adjacent arrays in your data, nest the CHOOSECOLS or CHOOSEROWS functions inside your SORT or SORTBY ...