How to Use the ExcelMerge Tool — Step-by-Step Guide
ExcelMerge.in is a free, browser-based tool that combines multiple Excel files into one consolidated sheet — no formulas, no VBA, and no installation. This guide walks through exactly how to use it, from uploading your files to downloading the final result.
What you'll need
Before you start, keep your source files ready — Excel workbooks (.xlsx or .xls) or CSV files (.csv). You don't need to clean or reformat them first — the tool is built to handle messy, differently-shaped files automatically, which we'll cover below.
Step-by-step: how to use ExcelMerge
1. Open the tool
Go to excelmerge.in and scroll to the tool section, or click Open tool from the navigation menu.
2. Upload your files
Drag and drop your files into the upload area, or click Choose files to pick them from your computer. You can select several files at once — each one will appear in a list showing how many rows were detected.
3. Let it read each file
The tool scans each file and shows a short status next to its name — for example, the number of rows found, or a note if the data was auto-split or rebuilt from a different layout. If a file shows "No valid rows found," double-check that it isn't empty or password-protected.
4. Click "Consolidate"
Once your files are listed, click the Consolidate button. The tool matches up columns across all your files — even if a column exists in one file but not another — and merges every row into a single table.
5. Review the result
A preview table appears showing your merged data, along with a Source File column so you can always trace a row back to the file it came from, and a totals row summing up the numeric columns.
6. Download your file
Click Download final Excel to save the consolidated workbook to your device. Nothing is uploaded to a server at any point — the whole process runs in your browser.
Smart features that save you time
ExcelMerge doesn't just stack rows — it's built to recognise a few common ways Excel data goes wrong, and fix them automatically:
- Handles mismatched columns — If one file has a column the others don't, it's still included — blank where it doesn't apply, filled in where it does.
- Un-packs squashed data — If a file has all its columns crammed into one comma-separated cell, the tool detects this and splits it into proper columns automatically.
- Rebuilds stacked records — Some exports list one field per row instead of one row per record. ExcelMerge recognises this pattern and turns it back into a normal table.
- Smarter totals — The totals row adds up genuine numeric columns (like amounts) but skips ID-like columns such as codes or account numbers.
Tips for the best results
- Keep the data you want merged on the first sheet of each file, or a sheet named Sheet1.
- If your files use different column names for the same thing (like Employee Name vs Staff Name), rename them to match before uploading.
- Very large files may take a little longer to process — this is normal.
- Always check the row count and totals in the preview against your original files.
Is my data safe?
Yes. ExcelMerge processes everything locally in your browser — your files are never uploaded to a server or stored anywhere. Closing the tab clears everything.
Frequently asked questions
Do I need a Google or Microsoft account to use this?
No. There's no sign-up, login, or account of any kind. Just open the page and upload your files.
What file formats are supported?
.xlsx, .xls, and .csv files are all supported.
Can I merge more than two files at once?
Yes. You can upload as many files as you need in a single session — they'll all be combined into one output.
What if my files don't merge correctly?
Check that column headers are spelled consistently across files. If a file has an unusual layout, the row count shown after upload will look off — that's a sign to check the source file's structure.
Is the tool really free?
Yes, ExcelMerge is free to use with no limits on how many times you use it.
Conclusion
ExcelMerge is built to take the repetitive, error-prone parts of combining Excel files off your plate. Upload your files, click Consolidate, and check the result — that's the whole process.