Files with POTX extension are PowerPoint Open XML Presentation Templates developed by Microsoft. They may be used on Windows and Mac OS platforms. POTX files belong to Data Files category along with 1326 other formats. PowerPoint software is advised for managing POTX files.
POTX file format maintains same layout, text, styles and formatting across PPTX files. Like other Open XML files, POTX uses XML and ZIP to structure and compress data. Prior to Office 2007, POTX files were POT files.
You can also upload POTX files to Google Slides to view, edit, save and convert presentations. File Viewer Plus allows you to open and view POTX files free. On website you will find information on how to open POTX files and list of popular applications supporting this format.
To open unknown file extensions, associate POTX file extension with corresponding software in Windows Registry. Many files contain only simple text data. POTX files are PowerPoint templates with layout for slides, order, colors, fonts and other design elements. They are saved as Open XML format that can be opened in PowerPoint and programs supporting this.
Microsoft PowerPoint
LibreOffice Impress
Google Slides