sldx

application/vnd.openxmlformats-officedocument.presentationml.slide

ppam

application/vnd.ms-powerpoint.addin.macroEnabled.12

application/vnd.ms-powerpoint.template.macroEnabled.12

application/vnd.openxmlformats-officedocument.presentationml.template

application/vnd.ms-powerpoint.slideshow.macroEnabled.12

application/vnd.openxmlformats-officedocument.presentationml.slideshow

application/vnd.ms-powerpoint.presentation.macroEnabled.12

application/vnd.openxmlformats-officedocument.presentationml.presentation

application/vnd.ms-excel.addin.macroEnabled.12

application/vnd.ms-excel.template.macroEnabled.12

Here is the updated code with the copyright text modified as per your request: ```php

```