You use Microsoft Excel 's built-in function to freeze specific rows and columns (often row or column headers), so when you’re scrolling through, these cells remain stationary on the page.

You can Cut or Copy Paste Columns and Rows in Excel spreadsheet - and keep the formulas and formatting using this step-by-step guide.

Excel Group feature allows users to group rows or columns. Ungroup is used to ungroup a range of cells or data that were previously grouped.

If you’re using Excel 2019 through Microsoft 365, there’s a function that can do the same thing, only quicker and with no helper column. How to combine values into a single cell using TEXTJOIN ...