Online XLSX Viewer
View XLSX files directly in your browser. No signup required, 100% private - your files never leave your device.
Drop your file here or click to upload
Supports .xlsx
How to View XLSX Files Online
- Upload your file - Drag and drop your XLSX file or click to browse.
- View your data - Your spreadsheet will be displayed in a familiar grid format.
- Navigate sheets - Use tabs to switch between different sheets.
- Export if needed - Download as CSV or use our conversion tools.
About XLSX Files
XLSX is the modern Excel format introduced in 2007. It uses XML and ZIP compression, resulting in smaller file sizes and better compatibility. Our viewer fully supports all XLSX features including multiple sheets, formulas, and formatting.