An Office Add-in can use the Office JavaScript APIs to interact with content in the Office document where the add-in is running. For more information about accessing the Office JavaScript API library, ...

Your Office Add-in might depend on a specific Office application (also called an Office host) or on specific members of the Office JavaScript Library (office.js). For ...

description Learn how to specify in the unified manifest the Office applications and API requirements for your add-in to work as expected. For information about specifying requirements with the add-in ...

To provide a satisfactory experience for users of Outlook add-ins, you should be aware of certain activation and API usage guidelines, and implement your add-ins to stay within these limits. These ...

ONLYOFFICE is an open-source office software project, recognized for its innovation in the online office domain. ONLYOFFICE upgraded its API, introducing significant improvements across the Docs API, ...