Changer le fichier de présentation PowerPoint en fichier de travail PowerPoint – Commentouvrir Blog
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How to Change a PowerPoint Show (PPSX) to a Work File (PPTX)
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Career ladder - When saving your PowerPoint Presentations, use the extension .pps/.ppsx instead of .ppt/.pptx. This will open the presentation directly as a slide show. Saves time and looks very professional. Woah!!
How to Change a PowerPoint Show (PPSX) to a Work File (PPTX)