.PPSM File

File extension ppsm is associated with Microsoft PowerPoint, a worldwide most popular powerful tool that you can use to create and edit dynamic and great-looking presentations.

The ppsm files are used for complete slide shows with macros enabled, which are very often used for presentations.

The ppsm files may include formatted text, macros, bullet points, images, movies, sound effects, or music. They are often built from one of many templates included with the Microsoft Office PowerPoint software, but may also be created from scratch.

They serve the same purpose as the PowerPoint complete slide show files (pps file suffix), but are using the new XML structure, introduced in Microsoft PowerPoint 2007 and also used by PowerPoint 2010, PowerPoint 2013, PowerPoint 2016.

MIME types:
application/vnd.openxmlformats-officedocument.presentationml.slideshow

Files with ppsm extension are generally slide shows created in latest Microsoft PowerPoint presentations creator. These slideshows have macros enabled.

How to open:

The Microsoft PowerPoint macro-enabled Open XML complete slide show (*.ppsm file) can be opened and edited in native application Microsoft PowerPoint , that is part of Microsoft Office Suite.The ppsm file can be open by another applications such as OpenOffice.org, StarrOffice or Ashampoo Office.Microsoft developed free viewer of PowerPoint *.ppsm presentations, that is called PowerPoint Viewer.

How to convert:

Microsoft PowerPoint can save the *.ppsm files to another document formats such as OpenDocument, PDF or XPS. Other office suites, that can open PPS PowerPoint file (OpenOffice.org, StarOffice, Ashampoo Office), can save ppsm file to another document format.