Syncfusion JavaScript Excel (@syncfusion/ej2-xlsx)

Programmatic Excel (.xlsx) create / open / edit / save for Node.js and browsers. This is a file-processing library, not a spreadsheet UI.

Package: @syncfusion/ej2-xlsx
Import surface: import { … } from '@syncfusion/ej2-xlsx' only
Not this skill: EJ2 Spreadsheet component, Grid UI, formula calculation engines, VBA execution

Table of contents

• When to use
• Documentation and navigation guide
• Quick start
• Core rules (always apply)
• Common patterns
• Import checklist

When to use