iframe embedding demo

The parent page owns fetching the file and uploading the result; the iframe only edits the document. Everything below goes through postMessage — see the Embed API page.

Local file

Open the selected file

Open a sample Excel file

From URL

Open from URL

Mode

Read-only mode

Round-trip

Save and get the File

Waiting for the iframe to initialize...

<iframe src="/editor?embed=1"> loading