Final answer:
The Page Layout tab in Microsoft Excel's ribbon allows users to access worksheet print options like changing orientation and scaling to fit.
Step-by-step explanation:
The tab in the ribbon that provides immediate access to worksheet print options such as changing orientation and scaling to fit is the Page Layout tab. When working with Microsoft Excel, the Page Layout tab is where you can find various options to customize how a worksheet will appear when printed. This includes setting page orientation to portrait or landscape, scaling the printout to fit on one page or multiple pages, and adjusting margins. These options are vital for ensuring that the data is presented clearly and professionally on a printed page.