Spreadsheet merging explained

Excel and CSV merge guides

Task-focused guides for joining spreadsheet files, combining worksheet tabs, replacing repetitive lookup formulas, and stacking recurring exports.

New to MergeStudio?

Start with the six-step walkthrough. It explains Files → Sheets → Method → Match → Columns → Download, including the matching rules and local processing.

See How It Works →

Have two specific exports to combine?

Browse 20 practical workflows for Shopify, QuickBooks, Stripe, HubSpot, customer lists, invoices, inventory, orders, refunds and recurring sales files.

Browse Use Cases →

Need to merge CSV files right now?

Use the dedicated CSV tool to stack multiple exports or join them by ID, email, SKU or another shared column.

Open CSV Merger →

Getting started

How to merge Excel files

Four methods compared — copy-paste, Power Query, lookup formulas, and a free no-formula browser tool — with step-by-step instructions.

Read guide → CSV

How to combine CSV files

Stack repeated CSV exports or join them on a shared column, plus the classic pitfalls (encoding, delimiters, duplicate headers) to avoid.

Read guide → No formulas

VLOOKUP alternative without formulas

Why VLOOKUP breaks and what to use instead — XLOOKUP, INDEX/MATCH, Power Query, or a visual join with zero formulas.

Read guide → Multiple files

Merge 3, 4, 5+ Excel files

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

Read guide → CSV join

Merge CSV files by a matching column

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

Read guide → Formula alternative

VLOOKUP and XLOOKUP alternatives

Compare formulas with a visual join, including duplicates and unmatched rows.

Read guide → One workbook

Merge multiple sheets in one Excel file

Select several tabs from one workbook and either join related records or stack similar rows.

Read guide → Matching records

Merge Excel files by a common column

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

Read guide → Choose the operation

Join vs. stack spreadsheets

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

Ready to merge your own files?

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

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