What does the Merge Excel Files do?
Free Excel merge tool — combine multiple spreadsheet files into one, matching columns automatically. It's part of TeckForge's excel tools collection, sitting alongside related tools you can reach from the sidebar.
How to use the Merge Excel Files
- Open the Merge Excel Files — works with .xlsx, .xls, and .csv files.
- Upload the spreadsheet (or spreadsheets) you're working with.
- Let the tool do its work, then check the results in the preview.
- Download the updated spreadsheet file.
Tips for getting a good result
- Save a backup copy of your original spreadsheet before running a bulk edit, just in case you want to re-run it with different settings.
- If a formula-heavy sheet looks off after processing, check whether the tool recalculates formulas or preserves the last saved values.
- Very wide spreadsheets can be easier to review by scrolling the result preview horizontally before downloading.
Frequently asked questions
Does it support both Excel and CSV files?
Yes, the Merge Excel Files works with .xlsx, .xls, and .csv formats.
Is my spreadsheet data private?
Yes — the Merge Excel Files processes everything in your browser tab; your data is never uploaded to a server.
Will my formulas or formatting be preserved?
Basic formatting is preserved where relevant to the tool's task; check the result preview before downloading to confirm it looks right.
What happens to charts or images embedded in the sheet?
Support varies by tool and task — check the output preview, since some transformations focus purely on cell data rather than embedded objects.
