MergevantaMergevanta

Merge Excel workbooks into one spreadsheet

Bring every sheet from every workbook into one tidy file. Sheet names are de-duplicated automatically and each sheet can be tagged with its source, so nothing is silently overwritten.

No watermarkFree, no sign-upFiles never storedAccepts .xls, .xlsx, .xlsm, .csv, .tsv
Private · never stored

Files are processed in memory and deleted straight away — nothing is stored.

Quick answer

How do I combine multiple Excel files into one workbook?

Add your .xlsx, .xlsm, .csv or .tsv files to Mergevanta's Merge Excel tool and press Merge. Every sheet from every file is copied into one new workbook, and duplicate sheet names get a numeric suffix so nothing is overwritten. It's free and needs no sign-up.

Price
Free
Watermark
None
Sign-up
Not required
Accepts
.xls, .xlsx, .xlsm, .csv, .tsv
You get
One combined .xlsx workbook
Processing
Encrypted server for files up to 4 MB, your browser for larger ones
Files stored
Never
Works on
Windows, macOS, Linux, iPhone, iPad and Android

Updated

What you get

Why use Mergevanta to merge Excel files

Nobody gets overwritten

When two workbooks share a sheet name, Mergevanta suffixes the duplicate instead of replacing your data.

Cells and formulas intact

Values, formulas, formatting and column widths are read and re-emitted by a full spreadsheet engine.

CSV and TSV welcome

Mix spreadsheets with comma- or tab-separated data files in the same merge.

Tag the source sheet

Add a column that records which file each sheet came from, so auditing a combined workbook is effortless.

Step by step

How to merge Excel files with Mergevanta

  1. 1

    Add your .xlsx, .xlsm, .csv or .tsv files to the studio.

  2. 2

    Turn on source tagging if you want each sheet labelled with its origin.

  3. 3

    Press Merge to collect every sheet into one workbook.

  4. 4

    Download the combined .xlsx and open it in Excel, Numbers or Sheets.

FAQ

Merge Excel questions

Old .xls (Excel 97–2003) and modern .xlsx/.xlsm workbooks, plus .csv and .tsv text files. Old .xls files are converted automatically — their formulas come through as calculated values.

The first sheet keeps its name and later duplicates get a numeric suffix, so the workbook stays valid and no data is lost.

Values, formulas and most formatting are carried through by the spreadsheet engine. Extremely intricate conditional formatting may simplify.

Yes. Add the .csv files (and any .xlsx workbooks) together and press Merge — each file becomes its own sheet in one .xlsx.

Mergevanta builds a brand-new combined workbook from your selected files rather than editing a file in place, which keeps your original untouched.

Guides

Learn more about merge excel

How to combine multiple Excel files into one workbookThree ways to combine Excel files: Move or Copy sheets, Power Query for stacking data, or Mergevanta to merge many workbooks and CSVs in one step.2 min read
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