90. How do you automate repetitive tasks e.g., formatting, validation, data loading?
Common Automation Methods:
✅ Macros
✅ VBA
✅ Power Query
✅ Templates
✅ Conditional Formatting

Macro Recording:
View → Macros → Record Macro

Examples:
- Automatic formatting
- Importing files
- Cleaning data
- Creating reports

📌 Automation improves:
✅ Speed
✅ Accuracy
✅ Productivity

⚠️ Always test automation carefully before production use.

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