Urgent Excel File with Formulas

I'm in need of a skilled freelancer to quickly prepare an Excel file that includes a few specific formulas. The file will contain mixed data, both numerical and text, and requires advanced data validation with custom rules and error messages.

Key Requirements:
- Develop an Excel file with specific formulas (details to be shared upon selection).
- Incorporate advanced data validation to ensure data integrity.
- Ability to work on the project immediately and deliver quickly.

Ideal Skills and Experience:
- Proficiency in Excel, including formula creation and data validation.
- Experience with handling mixed data types in Excel.
- Strong attention to detail and ability to implement custom validation rules.
- Quick turnaround time and effective communication skills.

If you're available to start right away and have the expertise needed, please let me know. I'm eager to get this project completed promptly.