Here's everything you need to build and customize your Microsoft 365 for the web integration.
Microsoft 365 for the web
Create new files using Microsoft 365 for the web
Edit legacy binary document formats
Using PostMessage to interact with the Microsoft 365 for the web application iframe
Co-authoring using Microsoft 365 for the web
Supporting document editing for business users
Customizing Microsoft 365 for the web using CheckFileInfo properties
Integrate Office for the web with document workflow processes