Spreadsheet merging explained

Excel and CSV merge guides

Learn how to join spreadsheet files by a matching column, combine multiple worksheet tabs, replace repetitive VLOOKUP formulas, or stack recurring exports into one clean dataset.

Multiple files

How to merge 3, 4, 5+ Excel files

Join several workbooks or CSV files in one workflow, even when each source uses a different name for the matching column.

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CSV join

How to merge CSV files by a matching column

Join CSV exports by ID, email, phone, SKU or another key, or stack repeated files vertically.

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Formula alternative

VLOOKUP online alternative for Excel and CSV

Match spreadsheet rows and return several fields without building or maintaining lookup formulas.

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One workbook

How to merge multiple sheets in one Excel file

Select several tabs from a single workbook and either join related records by a key or stack similar rows together.

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Matching records

Merge Excel files by a common column

Use email, customer ID, phone, SKU or another identifier to connect related rows from different spreadsheet sources.

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Choose the operation

Join vs. stack spreadsheets

Learn the difference between adding columns to related records and appending repeated rows vertically.

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Ready to merge your own files?

Choose multiple files or one workbook with multiple sheets. Normal jobs stay on your device.

Open MergeStudio →