Excel File Merge

Merge Excel/CSV files into a single workbook, with optional separators.

Excel File Merge

Excel File Merge

Click or drag to upload (multiple files supported)

Supported: .XLSX, .XLSM, .XLSB, .CSV (max 20 files, each ≤ 5MB)

About This Tool

Online Excel merge tool. Supports CSV and XLSX/XLSM/XLSB files, merging all data into one sheet with optional filename separators.

How to Use

  1. 1) Upload multiple Excel/CSV files.
  2. 2) Choose whether to insert filename separator rows.
  3. 3) Click Merge, then download the merged workbook (UTF-8 for CSV).
Excel Merge - Combine XLSX/CSV Files Online