Transform messy casing: 'rAhUl sHaRmA' -> 'Rahul Sharma' (PROPER), PAN cards -> 'ABCDE1234F' (UPPER).
“PROPER, UPPER, LOWER: Standardizing Customer Names” is part of Level 2: Intermediate Excel — Lookups, Analytics & Pivot MIS. Free preview lessons are open to everyone; the remaining lessons are for enrolled learners.
Module 5: Corporate Charts & Data Visualization
Module 6: PivotTables, Slicers & Mini-Projects (Sales MIS + HR Attendance)
