Merge Excel Files

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Merge Excel Files
Combine several spreadsheets into one — stack the rows or keep one sheet per file.

Everything runs in your browser — your files never leave your device.

Drop your spreadsheets here
Add as many XLSX, XLS, CSV or ODS files as you like
Files
No files added yet.
Combine mode
All rows are stacked into a single sheet, in the order shown.
Keeps one header and drops the repeated header from every other file.
Prepends a column with the originating file name on each row.
Output format
CSV holds a single sheet, so “one sheet per file” always exports as Excel.
Merged preview First rows of the combined result
Nothing merged yet Add two or more files to see the combined result.

Tip: reorder files with the arrows — rows are stacked top to bottom in that order.

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