.xlsx — Microsoft Excel Open XML Spreadsheet
Microsoft · 2007
Was ist eine .xlsx-Datei?
XLSX is the default file format for Microsoft Excel spreadsheets since Office 2007. It stores data in cells organized into rows and columns, supporting formulas, charts, pivot tables, conditional formatting, and macros. The format is based on Open XML and uses ZIP compression, making files significantly smaller than the older .xls format. XLSX is the industry standard for business data analysis, financial modeling, and data management.
Programme zum Öffnen von .xlsx-Dateien
| Plattform | Programm | ||
|---|---|---|---|
| Windows | Microsoft Excel | Kostenpflichtig | Offiziell |
| LibreOffice Calc | Kostenlos | ||
| Google Sheets | Kostenlos | ||
| macOS | Microsoft Excel | Kostenpflichtig | Offiziell |
| Numbers | Kostenlos |
Häufige Probleme mit .xlsx-Dateien
Häufig gestellte Fragen
.xlsx files can be opened with several programs. Microsoft Excel is one of the most popular choices.
Generally yes, .xlsx files are safe to open with appropriate software.
Yes, there are many online and offline tools available to convert .xlsx files. Check the conversion section above for specific methods.
Technische Details
Microsoft Excel Open XML Spreadsheet files use the application/vnd.openxmlformats-officedocument.spreadsheetml.sheet MIME type and were first introduced in 2007 by Microsoft. The file can be identified by its signature: 50 4B 03 04 (PK ZIP).