# Layout review — Combine Files

visibility Static layout preview of Combine Files — a Coming-Soon tool. The page is a stub: an "under development" notice, a planned-features list, a working multi-file uploader, and disabled placeholder options. All pages →

# Combine Files

Combine several CSV or Excel files into one — even if columns differ.

info This tool is under development.

Features:

- Import multiple CSV/Excel files at once
- Automatic schema alignment (matching columns by name)
- Append mode: stack files vertically (union)
- Join mode: merge files on shared key columns
- Handle mismatched columns (fill missing with nulls or drop)
- Source file tracking column

Import CSV or Excel files
upload_file Drag and drop files here CSV, TSV, XLSX, XLS · multiple files allowed
Import multiple files to preview. Processing is not yet available.

### Merge Strategy

Mode
Append (stack vertically)
Mismatched columns
Fill with null
check Add source filename column