Programming Microsoft Office 365 May 2026

: Located in src/taskpane/ , this file contains the markup for your feature's interface. You can add buttons, input fields, or status displays here.

: Use the Office JavaScript API to read from or write to the document. Programming Microsoft Office 365

: Use this to create custom AI agents that automate specific business workflows within your Office apps. : Located in src/taskpane/ , this file contains

Before coding, ensure you have the necessary tools installed and an active sandbox environment: : Use this to create custom AI agents

: Found under the "Agents" section in Copilot, this allows you to describe a tool (e.g., "build a signup sheet tracker") and it will automatically generate the schema and UI .

Your feature's visual appearance is defined using standard web code:

Use a generator to create the basic files and structure for your feature: