There you can open it and edit it anywhere with a web browser or a copy of Office 2013. Additionally, there are free PowerPoint apps on Android, Windows Phone, iPad and iPhone.

Learn how to convert and open Apple Keynote file in PowerPoint on Windows computer using Keynote tool or Zamzar and Cloudconvert online web apps.

Having two presentations open in separate windows also lets you transfer details – and even entire slides – from one to the other with both open at the same time.