ODP (OpenDocument presentation)
ODP is the presentation format of the OpenDocument standard (ODF), an open, ISO-standardised format. It is the native format of LibreOffice Impress and Apache OpenOffice Impress. An ODP file is a ZIP archive containing XML, with slides, images, notes and transitions. PowerPoint and Google Slides can open it, although complex animations may not look identical.
Use ODP when you create presentations in LibreOffice or need an open format for archiving or public-sector work. If you will present from PowerPoint, PPTX is the safer choice, and PDF is best when the audience only needs to view the slides.
Source formats: .odp