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.XLSX · Microsoft Excel Spreadsheet
Application
About the .xlsx format
XLSX is the modern spreadsheet format of Microsoft Excel, based on the Office Open XML standard. Use OpenFiles to open and view XLSX files for free on macOS, Windows, and Linux.
File Details
- Extensions
- .xlsx
- MIME Types
- application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
- Categories
- Application
How to Open .xlsx Files
- 1
Download and install OpenFiles from the official website.
- 2
Launch OpenFiles and open your .xlsx file via File > Open or drag and drop.
- 3
Your file will open in the appropriate viewer for viewing and editing.
Supported by
Sheet Editor
Editor
FAQ
Use OpenFiles to open and view .xlsx files for free, without installing Microsoft Excel.
.xlsx is the standard Excel spreadsheet format based on XML compressed storage, supporting formulas, charts, and data analysis features.
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