Excel
Microsoft Excel workbookUsed for structured spreadsheets and calculations.
- Family
- Documents
- MIME
- application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Convert Excel spreadsheets to CSV online
To convert Excel to CSV, upload the Excel file, start the conversion and download the result. Every worksheet is exported: a single-sheet workbook gives one CSV, and several sheets download as a ZIP with one CSV per sheet. Formulas become their calculated values.
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Excel to CSV at a glance
- Converts
- Microsoft Excel workbook → CSV spreadsheet format
- Engine
- LibreOffice
- Privacy
- Private download link; files are deleted after 6 hours. No account needed.
Excel to CSV: The workbook object-model rebuilding route explained
Reading Excel means pulling cells, sheets, formulas, types, and print settings, then mapping all of it into whatever structures CSV can actually express. A total that still displays correctly is not proof; formulas and leading zeros can shift underneath it. The generic Excel label is resolved to the actual workbook generation before sheets, formula dialect, dates, macros, links, styles, and charts are interpreted. CSV output emits one delimited text table; formulas, charts, styles, multiple sheets, and typed cells must be flattened into explicit field values.
Read structure - A generic spreadsheet destination for cells, tables, formulas, and worksheet data. Rebuilt structure - Plain-text rows and fields separated by a delimiter rather than a workbook object model.
Not quite the pair you need? Browse more ways to convert Excel files or the CSV converter hub for every route into and out of CSV.
Before converting a whole batch, read how to choose a file format by what must survive; it explains why a format is a set of tradeoffs rather than a label.
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CSV
CSV spreadsheet formatDesigned for structured data meant to be sorted, filtered, and computed.
- Family
- Documents
- MIME
- text/csv
Acceptance evidence for the converted CSV
Record the Excel evidence before conversion
Open the result in the required spreadsheet app and recalculate formulas before relying on totals.
Test the CSV file in its receiving workflow
Import the result with the intended delimiter and encoding, then check dates, quotes, and leading zeros.
What the Excel source carries and the CSV output demands
What can fail when Microsoft Excel workbook is interpreted
A generic Excel route may not preserve every workbook feature or choose the version a legacy system expects.
What CSV spreadsheet format cannot safely promise
Formulas, formatting, charts, multiple sheets, data types, and leading zeros can disappear or be reinterpreted.
How the CSV writer handles this route
plain-text rows and fields separated by a delimiter rather than a workbook object model is what gets written, labeled as text/csv. Whether that actually opens depends on the receiving application, not on the file extension.
Deciding when Excel to CSV is the right conversion
CSV earns its place when its editing, reflow, or reader support outweighs exact Excel structure - Just test the most complex page or chapter before committing to it.
What changes between the Excel model and the CSV deliverable
- Every worksheet is exported: a single-sheet workbook gives one CSV, and several sheets download as a ZIP with one CSV per sheet. Formulas become their calculated values.
- Treat Excel-specific metadata fields as optional in the CSV result until you have actually confirmed they survived.