.sldx file: how to open it on Windows

3 Windows apps register the .sldx extension. Install one of them to open the file with a double-click.

About the format

Format

PowerPoint 2007 slide

MIME type

application/vnd.openxmlformats-officedocument.presentationml.slide

Format data: freedesktop.org shared-mime-info and PRONOM (The National Archives, UK).

• W
  WPS Office

  A free office suite fully compatible with Microsoft Office

  Proprietary 12.2.0.23196
• W
  WPS Office

  Complete office suite with PDF editor

  Proprietary 12.1.0.29161
• W
  WPS Office

  Complete office suite with PDF editor

  Proprietary 12.1.0.29158

Related guide: Change the default app for a file type in Windows