To clean up the messy data, it needs to be loaded into the Power Query Editor.
This guide describes how to grey out unused cells in Excel in Windows 11/10, apply a solid fill color, use Conditional Formatting, or hide unused rows/columns.
Select all the relevant cells, and in the Data tab, click the main part of the split "Data Validation" button. Then, click ...
When I was a kid, I was interested in a number of professions that are now either outdated, or have changed completely. One ...