Weekly Excel Data Update from CSV

I need assistance with updating my Excel file on a weekly basis. The updates will come from a CSV file and will primarily involve adding new data. Before this new data is added, it must go through a strict validation process to ensure its accuracy and reliability.

Ideal Skills:
- Proficiency in Excel and CSV file handling
- Experience with data validation processes
- Attention to detail for ensuring accurate data updates
- Ability to perform weekly updates in a timely manner