Are you creating presentations on your at-home Mac or on-the-go on your iPad using Keynote but then need to convert them to Powerpoint to use at work on a Windows machine? Or vise-verse, you need to work with a Powerpoint presentation on your Mac or iPad using Keynote?  Maybe you just received a Keynote presentation … Continue reading How to open a Keynote (.key) file in Powerpoint on your PC (Windows & Office)