1. How to print edge to edge with no margins in Microsoft Excel:
2. Open your Excel file and go to the "Page Layout" tab.
3. Click on the "Margins" drop-down menu and select "Custom Margins."
4. In the "Page Setup" window that appears, set all of the margins (top, bottom, left, and right) to 0.
5. Click "OK" to save your changes and close the window.
6. Go to the "Page Setup" group in the "Page Layout" tab and click on the "Print Area" drop-down menu.
7. Select "Set Print Area" to define the area you want to print.
8. Go to the "Print" tab and select your printer.
9. Click on the "Print Options" button and make sure that the "Print Quality" is set to "Maximum."
10. Click "OK" to close the window and then click "Print" to print your document.

That's it! Your document should now print edge to edge with absolutely no margins. Keep in mind that some printers may not be able to print all the way to the edge, so you may need to adjust your margins slightly to get the best results.