Merge Excel files online in your browser. Combine xlsx, xls, and csv files into one workbook, keep all sheets, or merge selected sheets into one table with a source column.
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Selected files will appear here with file name, format, and size.
Parsed tables
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Data rows
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Selected merge tables
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Output columns
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Keep
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Delete
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The parsed 0 sheets / CSV tables will be written into one xlsx workbook, with each source kept as an independent sheet. You can rename each output sheet below.
Spreadsheet workflow
Use this browser-based Excel merge tool when multiple exported workbooks need to become one clean file.
For data cleanup tasks, you can select sheets manually and merge rows into one table with custom header mapping.
Yes. The tool supports xlsx, xls, and csv files in the same task.
Yes. Choose the mode that keeps all sheets in one workbook.
No. The merge runs locally in your browser.