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Free online XLSX viewer for Excel spreadsheets. Open .xlsx, .xlsm, .xltx, and .xltm files directly in your browser without uploading them.
.xlsx.xlsm.xltx.xltm
Tool usage guide
.xlsx is the standard Excel workbook format based on Office Open XML. .xlsm is the macro-enabled variant. .xltx and .xltm are Excel template formats, with .xltm also supporting macros.
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Tool usage guide
SEO title
XLSX Viewer
SEO description
Free online XLSX viewer for Excel spreadsheets. Open .xlsx, .xlsm, .xltx, and .xltm files directly in your browser without uploading them.
This XLSX viewer renders spreadsheets locally in your browser. Open a sample workbook or your own file to inspect worksheets, values, and formatting without Microsoft Excel.
Yes. It is free to use and runs directly in the browser.
No. Files from your device are rendered locally. Only public sample files are loaded from the server.
The viewer targets .xlsx, .xlsm, .xltx, and .xltm files. Legacy .xls files are outside the current viewer scope.