This guide describes how to reorder multiple columns in Power Query with Drag & Drop, without having to move each column individually.

Use Word 2010's Numbering feature in tables and make it automatically number multiple table columns vertically. This way, each cell in each column will be placed under the correct number.

Splitting data into multiple columns isn't the only way to rearrange data in Excel. For example, you could merge data from two columns into one column, split alternate rows into two columns, or ...