Merge Excel/CSV files into a single workbook, with optional separators.
Click or drag to upload (multiple files supported)
Supported: .XLSX, .XLSM, .XLSB, .CSV (max 20 files, each ≤ 5MB)
Online Excel merge tool. Supports CSV and XLSX/XLSM/XLSB files, merging all data into one sheet with optional filename separators.
How to Use