How to merge Excel files free online?

To merge Excel files free, simply drag your Excel files to MergeExcel.com, select the merge mode (separate sheets, append rows or side by side) and click 'Merge Excel Files'. It's 100% free, no registration and completely private as everything is processed in your browser.

Is it safe to merge Excel files online? Are my files uploaded to any server?

Yes, it's 100% safe and private. Your Excel files are NEVER uploaded to any server. All merge processing happens completely in your browser locally. Your data stays on your computer, it never leaves. It's completely anonymous (no registration required) and your files are automatically deleted when you close the page. We don't store any logs or information about you or your files.

What Excel file formats can I merge?

You can merge .xlsx (Excel 2007 and later), .xls (Excel 97-2003), .xlsm (Excel with macros), .xlsb, .csv (comma separated values), .ods (OpenDocument), .tsv, .xml and .dbf files. You can mix different formats in the same merge without any problems.

How many Excel files can I merge at once?

There is no limit on the number of Excel files you can merge. You can combine 2, 5, 10, 50 or more Excel files simultaneously. The only limit is your browser's RAM, but most modern computers can easily handle dozens of Excel files.

What is the difference between Excel merge modes?

MergeExcel.com offers 3 modes: 1) Separate Sheets - each Excel file becomes a different sheet in the merged workbook (ideal for keeping organization); 2) Append Rows - combines all data in a single sheet stacking rows vertically (perfect for consolidating similar data); 3) Side by Side - places files horizontally side by side in one sheet (useful for comparing data).

Do I need to install any program to merge Excel files?

No, you don't need to install anything. MergeExcel.com works 100% online in your web browser (Chrome, Firefox, Safari, Edge). No Microsoft Excel required, no downloads, no installations. Just open the website and drag your files to merge them instantly.

Do merged files keep the original Excel format?

Yes, the merged Excel file keeps the cell formatting, data and structure. The result is a standard .xlsx file that you can open with Microsoft Excel, Google Sheets, LibreOffice Calc or any Excel-compatible program.

Merge Excel Files Online Free - Combine Multiple Excel Files

Professional tool to merge, join, combine and unite Excel files online. 100% private, fast, secure and free in your browser

🔒 100% Private and Secure 🚫 No Registration 👤 Completely Anonymous 💻 Local Processing 🗑️ No Storage 🛡️ No Server Uploads ⚡ Auto-Delete 🔐 100% in Your Browser 🚀 Files Never Leave Your PC ✨ Total Privacy

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Your Files NEVER Leave Your Computer

Everything is processed 100% in your browser. Your Excel files are NOT uploaded to any server. The merge happens directly on your PC in a completely private, secure and anonymous way. When you close the page, everything is automatically deleted.

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Drag or Click to Select Your Excel Files

Merge Excel, CSV, ODS and more formats - 100% free

📄 .xlsx .xls .xlsm .xlsb .ods .csv .tsv .xml .dbf

Merge Excel Files Online Free - Combine Multiple Excel Files

Your Files NEVER Leave Your Computer

Drag or Click to Select Your Excel Files

Selected Excel Files

Data Preview

Source Excel Files Preview

Select How You Want to Merge Your Excel Files

Separate Sheets

Append Rows

Side by Side

Merge Result Preview

Advanced Merge Configuration

📋 Header Options

🔍 Data Filtering

📊 Sheet Selection

Merging Your Excel Files...

Excel Files Merged Successfully!

Merge Excel Files Online Free - Combine Multiple Excel Files

Your Files NEVER Leave Your Computer

Drag or Click to Select Your Excel Files

Selected Excel Files

Data Preview

Source Excel Files Preview

Select How You Want to Merge Your Excel Files

Separate Sheets

Append Rows

Side by Side

Merge Result Preview

Advanced Merge Configuration

📋 Header Options

🔍 Data Filtering

📊 Sheet Selection

Merging Your Excel Files...

Excel Files Merged Successfully!

Your file is ready!