Open VS Code and click the icon in the Activity Bar. Select Create a New App and then choose Office Add-in . Select Task pane as the feature type.
In the VS Code terminal, run npm install to load dependencies. Programming Microsoft Office 365
: Sign up for a free Microsoft 365 Developer subscription to get a renewable 90-day sandbox with sample data. Open VS Code and click the icon in the Activity Bar
: 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 . Programming Microsoft Office 365