MS Word Document Formatting Expert

I need an expert in MS Word to fix a very large document.

The specific issues include:
- Formatting problems: Headings and subheadings, paragraph alignment, and page numbering need correction.
- Style: Headings and subheadings should be consistent with the existing document style.

Ideal skills and experience:
- Proficiency in MS Word
- Strong attention to detail
- Experience with large documents
- Ability to maintain existing styles and formats