A spreadsheet can be imported into a notebook while using the OneNote desktop app. Once you close the desktop app that information is synced and can be accessed through the OneNote web app.
Excel Spreadsheet in OneNote
- With a notebook opened on the screen using the OneNote desktop app, click the Insert tab.
- Click Spreadsheet and choose Existing Excel Spreadsheet or New Excel Spreadsheet.
[Insert tab and Spreadsheet with options highlighted]
3. If you choose Existing Excel Spreadsheet, and then double-click the Excel file an Insert File dialog box appears. Attach File – Adds the spreadsheet as an attachment to the notebook. Insert Spreadsheet – Inserts the spreadsheet as an image in the notebook.
[Insert File dialog box showing options Attach File and Insert Spreadsheet]