POTX File Documentation

Files containing the POTX extension store PowerPoint document templates. POTX format files are used when creating documents with similar content and appearance without having to re-enter specific settings for each document.

The POTX extension is closely based on the Open XML format that has been used by PowerPoint since 2007.


Feature Value
File Extension .potx
MIME Type application/vnd.openxmlformats-officedocument.presentationml.template
Developed by Microsoft
Type of Format Template for Microsoft PowerPoint
Contained Within ZIP archive
XML-Based Yes
Part of Office Open XML (OOXML) specification
Backward Compatibility High (with conversion or compatibility mode in some versions)
Typical Usage Standardized templates for presentations
Support for Macros Yes
Ability to Embed Objects Yes
Built-in Themes and Styles Yes
Introduced with Office Version Microsoft Office 2007