Tired of your spreadsheets breaking with every minor change? This course, "Exceptional Excel - Error-Proof Spreadsheets," equips you with the advanced techniques to build robust, reliable Excel files that stand the test of time and modification. Move beyond brittle formulas and manual fixes to create dynamic, resilient workbooks.

Discover how to structure your data for maximum compatibility with Excel's features, master advanced functions that automatically adapt to changing inputs, and implement powerful protection strategies.

You'll learn to:

• Structure data for reliable sorting, filtering, and analysis using single-row headings.
• Build resilient formulas with absolute references, named ranges, and functions like SUBTOTAL, VLOOKUP, MATCH, SUMIF, and OFFSET.
• Automate error handling using IFERROR to prevent cascading problems.
• Protect sensitive data and prevent accidental changes using cell locking, worksheet/workbook protection, and range-specific passwords.
• Create dynamic headings and use Custom Views to instantly toggle between different data perspectives.
• Establish fallback positions with automatic backups, file recovery options, and effective use of templates.

By the end of this course, you'll have the skills to dramatically reduce errors, increase efficiency, and build spreadsheets you can trust, even as requirements evolve.