What is the difference between .odp and .ppsm?
- Extension
 - .odp
 - .ppsm
 
- Format
 - Binary
 - Binary
 
- Category
 - Presentation
 - Presentation
 
- Developer
 - Oracle
 - Microsoft
 
- Description
 - An ODP file is a presentation created by Impress, a presentation editing application included with Apache OpenOffice. It contains a presentation, which generally includes a title slide followed by content slides with text, images, multimedia content, and transition effects. ODP files are formatted using the OASIS XML-based OpenDocument standard.
 - A PPSM file is a macro-enabled slide show created by Microsoft PowerPoint, a program that allows users to create slide shows and presentations. It contains a non-editable collection of slides. PPSM files are used for packaging view-only Open XML-based presentations, such as .PPTX files, for sharing with others.
 
- MIME Type
 - application/vnd.oasis.opendocument.presentation
 - application/vnd.ms-powerpoint.slideshow.macroEnabled.12
 
- Sample
 - sample.odp
 
- Wikipedia
 - .odp on Wikipedia
 - .ppsm on Wikipedia