When creating a template for Microsoft Power Point you will be saving your template as potx. Should you need to open potx files or edit them you will either need a copy of Microsoft Power Point or Open Office Impress. You should not that potx files are not Power Point slides. They are used to create multiple pptx files with the same format. There are a few potx files included with Microsoft Power Point and several more can be downloaded online. If you do not have a registered copy of Microsoft Power Point on your computer you will want to download Open Office Impress. Open Office Impress is free open source program that is designed to help put presentation slide shows together, much like Microsoft Power Point. Open Office Impress supports potx files and can be used to create pptx files as well.
You may find more Open Office Impress templates available for free download then potx template files. Having the Open Office Impress software will help you crate presentations from Microsoft Power Point files. Please keep in mind that file compatibility only works one way. Open Office Impress files will not work with Microsoft Power Point files. Open Office Impress also supports a number of other presentation creator program file extensions.