Download Open XML SDK 2.5 for Microsoft Office from Official Microsoft Download Center

Screens and app icons for Office apps that are part of Microsoft 365

Microsoft 365

Premium Office apps, extra cloud storage, advanced security, and more—all in one convenient subscription

Person using Power BI Desktop

Power BI

Transform data into actionable insights with dashboards and reports

Open XML SDK 2.5 for Microsoft Office

Important! Selecting a language below will dynamically change the complete page content to that language.

Language:
English
This download provides strongly typed part and content classes for use with Open XML documents.