Use Microsoft 365 View > Navigation to find, rename, or hide sheets in one place, keeping large workbooks tidy and easier to manage.
R1C1 coordinates provide a predictable map for auditing formulas and writing universal VBA macros.
Excel's query tool reshapes messy imports into 1NF, so AVERAGEIFS replaces hacks and your summaries run faster.
Fix "fake" numbers, strip hidden web spaces, and join text professionally using Excel's built-in legacy and modern tools.