Excel Data Cleaning, Entry & Formatting by Wongyu JeonExcel Data Cleaning, Entry & Formatting by Wongyu Jeon

Excel Data Cleaning, Entry & Formatting

Wongyu Jeon

Starting at

About this service

Summary

I help clean, organize, and structure messy data in Excel and Google Sheets. Whether you need duplicate removal, formatting, or a fully organized dataset, I deliver clean, reliable spreadsheets that are ready for analysis or reporting.

FAQs

What types of file can you work with?
Excel, Google Sheets, CSV, TSV, and basic database exports.
Can you organize large datasets?
Yes, I can handle both small and large files efficiently.

What's included

Data Validation & Quality Checks
Verification of missing values, incorrect entries, and inconsistencies, with corrections and notes where needed.
Structured Data Table
Raw data organized into clear rows and columns, including headers, consistent data types, and proper formatting.
Cleaned & Organized Spreadsheet
A fully cleaned dataset with duplicates removed, errors fixed, and columns standardized for consistent formatting.
Custom Formatting
Readable and professional spreadsheet formatting including color coding, filters, sorting, freeze panes, and cell organization.

Example projects