text: **Summary:**Create a COM add-in for Office 2024, Office LTSC 2024, and Microsoft 365 
  
  Version 2408 and later applications with your own logic for exporting to PDF format. The 
  
  technique described requires knowledge of C++ and COM. 
  
  **Applies to:**Excel, OneNote, PowerPoint, Publisher, Visio, and Word in Office 2024, Office 
  
  LTSC 2024, Microsoft 365 Version 2408 and later. 