To apply regional settings to an entire worksheet or workbook in Excel, you can:
- Go to the "File" menu > "Options" > "Advanced" > "Editing Options" and adjust the settings there.
- Use VBA to loop through cells or ranges and apply the desired format settings.
Remember that regional settings in Excel are essential for ensuring data consistency and clarity when working with international audiences or users with specific regional preferences. Being familiar with these settings and how to customize them is valuable in many professional Excel-related roles.