The File Extensions Database

.SLDX File Extension

  • Developer by: Microsoft Corporation
  • Category: Microsoft Office Files

What is an .SLDX file?

.SLDX is Microsoft PowerPoint Open XML slide

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

The sldx files are used to store individual slides.

The Open XML slide format was introduced in Microsoft Office PowerPoint 2007.

MIME types:

How to open:

Use PowerPoint to open *.sldx files.

How to convert:

PowerPoint is able to export *.sldx files to other formats.

How to solve problems with SLDX files

  • Associate the SLDX file extension with the correct application. On :
    Windows: Right click on any SLDX file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.SLDX files". Mac: Right click (or Ctrl-click) the SLDX file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .SLDX is Microsoft PowerPoint Open XML slide. Because only the current version supports the latest SLDX file format. Search, therefore, e.g. on the Microsoft Corporation manufacturer website after an available .SLDX is Microsoft PowerPoint Open XML slide update.
  • To make sure that your SLDX file is not corrupted or virus-infected, get the file again and scan it with antivirus software.