// Example of how to set the document to landscape import * as fs from "fs"; import { Document, Packer, PageOrientation, Paragraph } from "docx"; const doc = new Document({ sections: [ { properties: { page: { size: { orientation: PageOrientation.LANDSCAPE, }, }, }, children: [new Paragraph("Hello World")], }, ], }); Packer.toBuffer(doc).then((buffer) => { fs.writeFileSync("My Document.docx", buffer); });