Spreadsheet Format
XLSX Converter — Free Online
Convert Microsoft Excel Spreadsheet files to and from other formats. Fast, free, no registration required.
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Convert to XLSX
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What is XLSX?
XLSX is the modern Microsoft Excel format. It's the standard for spreadsheets containing data, formulas, charts, and pivot tables.
Format Details
- Full Name
- Microsoft Excel Spreadsheet
- Extension
- .xlsx
Key Features
- Spreadsheet
- Formulas
- Charts
- Data analysis
Frequently Asked Questions
Upload your file, select XLSX as the output format, and click Convert. Your converted file will be ready to download in seconds.
You can convert most spreadsheet formats to XLSX, including CSV, XLS, ODS, and more.
Yes! You can convert up to 5 files per day completely free. No registration required.