Comparison in MS PowerPoint offers two columns, with each one header. So there is two clear columns to e.g. compare The Layout looks as follows: - - - - - - - - - - - - - - - - - - - - - [ Title ] - - - - - - - - - - - - - - - - - - - - - [Header Column 1] | [Header Column 2] - - - - - - - - - - - - - - - - - - - - - * Outline column 1 | * Outline column 2 | | | - - - - - - - - - - - - - - - - - - - - -