There’s at least 3 ways you can display your standard post or custom post type entries in columns on any archive type page. You can use CSS or PHP code.
In this tutorial, i’ll give you the CSS and PHP code for all 3 solutions. In most cases, the 2nd solution is the best solution in my opinion.
You can also use code to modify or remove the post info in the entry header and the entry meta in the entry footer as well as the read more link and featured image.
Here’s all the code & installation instructions for logged in members: