Reading ODF Documents (*.odt, *.ods, *.odp) with Apache OpenOffice
Google Workspace Updates: Export presentations in OpenDocument Presentation (ODP) format from Google Slides
How to Open the .ODP Format Using PowerPoint 2013
Open .ODP Files with File Viewer Plus
OpenDocument Editor (ODF)
OpenDocument Reader - view ODT - Apps on Google Play
How to convert a PPT into ODP using Google Docs
OpenDocument Reader Pro - Apps on Google Play
I exported a PowerPoint as an OpenDocument presentation, then opened with Impress. This is what I got. Exporting an odp file to pptx, then opening in PowerPoint didn't result in any errors. :