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I will clean excel data, fix errors and prepare reports
Data Analyst Excel Power BI Reporting
Data Specialist with 10+ years of professional experience managing complex datasets, reports, and workflows. Expert in transforming messy spreadsheets into clean, structured, and production-ready data...
About this Gig
Do you have messy Excel or CSV files that are difficult to work with?
I will clean, organize, and format your data so it is accurate, consistent, and ready for analysis or reporting.
Services include:
- Remove duplicates and inconsistencies to make your dataset reliable.
- Standardize formatting so your file is ready for analysis.
- Organize your data into clear, structured tables that are easy to maintain.
- Restructure columns to match your reporting, import, or analysis requirements.
- Clean inconsistent values by standardizing names, categories, dates, and other values.
- Convert CSV files into clean, well-formatted Excel spreadsheets ready for immediate use.
- Prepare your dataset so it is ready for Pivot Tables, dashboards, and business reports.
- Build efficient Power Query transformations for repeatable, automated data cleaning.
Every project is reviewed carefully to ensure clean, reliable results. If you have unique requirements, feel free to contact me before ordering.
Platform:
Excel
•
Power BI
•
Microsoft Office
Development technology:
Power Query
•
Excel
•
Power BI
My Portfolio
FAQ
What file formats do you accept?
Excel (.xlsx, .xls) and CSV files. If your data is in another format, message me first to confirm I can work with it.
What counts as one file / one dataset?
The Basic package covers a single spreadsheet with up to a set number of rows. Larger or multi-file datasets fit better in Standard/Premium — message me your file size first.
Will you change my actual data, or just clean formatting?
I preserve your real values. I only fix structure, formatting, duplicates, and errors — your actual numbers and content stay accurate and untouched.
Can you handle data with formulas or macros already in it?
Yes, in most cases. Send me a sample or describe your file first so I can confirm compatibility before you order.
Do you provide a summary of what was changed?
Yes! I include a short change log outlining exactly what was fixed, standardized, or corrected in your file.
What if my file has more rows/columns than your Basic package covers?
No problem — message me your file size and I'll recommend the right package or send a custom offer to match.
Is my data kept private and deleted after the project?
Yes, your data is used only for this project and treated as confidential. Message me if you have specific privacy requirements.
Reviews
1 reviews for this Gig
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
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A a_rusu18
United States
Olga was very helpful, polite and paid close attention to the details of my task. The xls file changes were delivered quickly and everything that I needed was done. She responded to my messages promptly and was very cooperative. Recommend working with her.
Up to $50
Price
2 days
Duration
O 
Seller's Response
Helpful?
Reviews
1 reviews for this Gig
| (1) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
A a_rusu18
United States
Olga was very helpful, polite and paid close attention to the details of my task. The xls file changes were delivered quickly and everything that I needed was done. She responded to my messages promptly and was very cooperative. Recommend working with her.
Up to $50
Price
2 days
Duration
O Seller's Response
Helpful?
