Open the file in an earlier version of PowerPoint.Ĭlick the File, and then next to Prepare for Sharing, click Check for Issues > Check Compatibility. Note: After you click Save, you might get a compatibility checker alert like the one below, telling you which features might be lost or degraded when saving the presentation in the earlier version. Open the presentation that you want to check for compatibility.Ĭlick the File > Info, and then next to Inspect Presentation, click Check for Issues > Check Compatibility. The Compatibility Checker finds any potential compatibility issues in your presentation and helps you create a report so that you can resolve them. To ensure that your presentation does not have compatibility issues that cause reduced functionality or fidelity in earlier versions of PowerPoint, you can run the Compatibility Checker. In the Save As dialog box, in the Save as type list, click PowerPoint Presentation (*.pptx). On the File tab, click Save As, and then click Browse. To turn off compatibility mode, simply save the presentation in PowerPoint (.pptx) format. Note: To find out which PowerPoint features could change or become unavailable, see PowerPoint 20 features behave differently in earlier versions.