# Import XLS documents You can convert an existing Excel file (`.xls` or `.xlsx`) to a Fusion spreadsheet by dragging and dropping into any folder in Foundry or through the **New from Excel file** option under the **Document** tab. ![xls\_import](../../../assets/dec3f38f23a18c22f1592bbab5a7579ca31152bccd24db44a3ae66726df72a1f.webp) :::callout{theme="warning"} The amount of data you can paste into a Fusion spreadsheet scales with your computer's memory, and typically works up to a few thousand rows. Use XLS Import to import larger files. :::