Use the new PowerPoint 2007 format, which uses the PPTX file extension. It's a lot smaller than the old PPT format. Compress your images for the screen. To do that, select any picture in your ...

Make a copy of your PowerPoint presentation file. Rename the file extension. Open the Media folder containing all the media files from a PPTX file. Let’s discuss these steps in detail.

and PowerPoint. Designated by an x at the end of the file extension (.docx instead of .doc, and so on), these were not backward compatible. Initially, I wasn’t happy with this change.

Microsoft PowerPoint presentations will run on both PCs and Macs regardless the platform on which they were created. However, PowerPoint presentations created without using media-file best ...

The file will open and you’ll see a .docx, .xlsx, or .pptx file extension next to the file name on the top left of the screen to indicate you’re viewing it in Microsoft Office format.

PowerPoint presentations are normally saved in a proprietary format with a PPT file extension. Sharing a PPT file requires all parties involved to have access to Microsoft PowerPoint. Moreover ...

Click Next, name the file and where you want to store it, then click Export. A copy of the presentation should now be found in the folder you selected, replete with a .pptx extension at the end.