I will merge multiple excel files into one validated spreadsheet

Alex D

United States

I speak Chinese, English

Excel Data Specialist

I run Excel Tool Station, a small studio focused on spreadsheet work. We merge, clean and summarize Excel files with programmatic validation — every delivery is checked row by row before it reaches yo...
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About this Gig

Do you have monthly, weekly or per-store Excel files that need to become one clean master file?


I merge multiple .xlsx files into a single spreadsheet by stacking rows under one shared header, and I add one "Source File" column so every row stays traceable to the file it came from.


Every merge is verified by an independent check before delivery:

- total row count is conserved, nothing silently dropped

- rows are counted per source file and reported to you

- values and data types are compared cell by cell (leading zeros, long IDs and dates are never silently converted)


RULES FOR THIS GIG

- Files must be .xlsx without a password

- The worksheets you select must share identical column headers, in name and order

- No deduplication, cleaning or formula calculation is included if your files need that, see my cleaning gig or message me for an assessment


If your headers differ between files, order the Premium package or message me first I will align them as a custom job instead of forcing a bad merge.


You receive: the merged .xlsx file plus a short reconciliation note (total rows and rows per source file).

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merge multiple excel files into one validated spreadsheet

Technology:

Excel

Expertise:

Data manipulation

•

Data upload

•

Data validation

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