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 ...

Learn how to split one column into multiple columns in Excel. Use Text to Columns and Delimited options and use Delimiters to separate data in Excel.

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