At Zoho Show, we have always acknowledged the need for importing MS PowerPoint presentations and have tried to ensure a hassle-free user experience. While we work on enhancing our support for importing pptx. files, here are a few updates for you. 

Along with the existing set of PowerPoint animations and transitions, we now support an extra set of effects listed below.

Chart animations:

As one object

By series

By category

By element in series

By element in category

Text animation:

Word by word

Character by character

Here is an pptx. presentation that is imported on to Zoho Show.