Converting Excel spreadsheets (`.xlsx`, `.xls`, `.csv`) into printable PDFs calculates tabular column widths and applies proportional scaling to fit multi-column data neatly on standard A4 or Letter sheets. Automatic landscape orientation and alternating zebra row shading ensure large accounting sheets, balance sheets, and financial models remain clean and readable. Essential for sending financial reports, board summaries, and payroll audits to stakeholders without risking formula tampering.