Microsoft Excel 2016 Accessibility

• Start your content on cell A1 for each worksheet.
• Use built-in features to create tables
• Add table names for each table.
• Use table headers for each column.
• Label each worksheet with unique names. Remove unused worksheets.
• Add meaningful hyperlink text.
• Include alternative text for images.
• Use adequate color contrast.
• Do not rely on color alone to convey meaning.
• Double-check your document's accessibility issues with the Microsoft Office Accessibility Checker.

Reference: Make your Excel documents accessible to people with disabilities.