Difference Between ppt and pptx in Microsoft PowerPoint

Microsoft PowerPoint is a powerful presentation tool that is given along with Office suit. It allows use of slide shows to make interesting presentations. You can open the software, but presentation does not start on its own because unless you save your presentation in ppt or pptx extension. There are many who think ppt and pptx file extensions are same, but there are differences that will be highlighted in this article.

First and most important difference between ppt and pptx lies in the fact that pptx files use MS Office Open XML format. This is clear in its name as x included in the acronym really stands for XML or Open XML, which is the standard for Office 2008 for Mac and Office 2007 for Windows. This open format makes it easy for other programs like OpenOffice.org to read pptx files. pptx format was introduced in 2007. Other differences pertain to smaller file sizes and more reliable storage of information. Though pptx is the new format that has several new features as well, you can still save your work in ppt, and just need to make clear preferences while saving the file.