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Convert Excel to CSV Online
Export the first worksheet of an XLSX workbook as comma-separated data. Download a CSV for importing into another application or opening in a text editor.
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XLSX to CSV
Convert Excel to CSV
How to export an Excel workbook to CSV
Prepare the source
Select an XLSX workbook.
Review the settings
Make sure the data you want is in the first worksheet.
Check the result
Start Conversion and check the downloaded CSV in the destination application.
Supported formats and limitations
Input: XLSX. Output: CSV. Only the first sheet is read. CSV does not preserve charts, cell formatting, multiple worksheets or editable formulas.
Processing runs on the server after you select Start Conversion. The interface accepts files up to 500 MB; service and connection limits can be lower. No installation or account is required. Read our file processing privacy policy.
Why Use ConvertFast's XLSX to CSV?
- Export spreadsheet rows and column headings as CSV.
- Convert multiple workbooks into separate CSV files.
Frequently Asked Questions
Can I select another worksheet?
The current converter reads the first worksheet. Move the desired sheet first in your spreadsheet editor before uploading.
Does CSV preserve Excel formatting?
No. CSV stores tabular text values, without colors, fonts, charts or workbook structure.
Ready? It's Free.
No account required. Input rules appear before you upload.
Open XLSX to CSV Tool