Hi Bernar324Try these steps: right-click on the pptx file name and select PROPERTIES. On this dialogue box, you will see a button marked UNBLOCK, click on this and then press OK. Now the file will open. If not, try special program Recovery Toolbox for PowerPoint [URL] Hope this solutions helps.
Greetings. When i try to open a presentation (which was created 2 years ago) in PowerPoint 2003 i recieve an error: PowerPoint found unreadable content in Presentation.pptx. How to repair PowerPoint file?
PowerPoint 2003