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The BEST tool for combining Excel and CSV tables including multi-level header tables.

 Windows

Windows 10 or higher, 32bit and 64bit

Download  Microsoft Store  Quick Start Guide

 macOS

macOS 12 (Monterey) or higher, 64bit

Download  Quick Start Guide

OneTable Classic

Supports horizontal merge for advanced table operations.

 Windows

Windows 10 or higher, 32bit and 64bit

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 macOS

macOS 15 (Sequoia) or higher, 64bit

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