XLSX File – What is .xlsx file and how to open it?


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XLSX File Extension

Microsoft Excel Spreadsheet – file format by Microsoft

XLSX is a file extension for Microsoft Excel spreadsheets, introduced with Microsoft Office 2007. It uses the Office Open XML format, which allows for improved data compression and compatibility with other spreadsheet software.

What is an XLSX File?

An XLSX file is a Microsoft Excel Spreadsheet that stores spreadsheet data in an XML-based format. It is the default file format for Excel since the release of Microsoft Office 2007. XLSX files are designed to be smaller and more efficient than the older XLS format, while offering support for a wider range of data types, including large datasets, formulas, and macros.

Benefits of XLSX Files

XLSX files have several advantages over the older XLS format. Firstly, they use ZIP compression to reduce file size, making them easier to transmit and store. Secondly, they provide better data integrity by utilizing XML validation, which helps ensure the accuracy and consistency of data within the spreadsheet. Additionally, XLSX files offer enhanced compatibility with other software and applications, as the XML-based file format is widely recognized and supported by various technologies.

Opening XLSX Files on Windows

To open an XLSX file on a Windows computer, you can use Microsoft Excel, the native application for creating and editing XLSX files. If you have Excel installed, simply double-click on the XLSX file to open it. Alternatively, you can open Excel and use the “File” > “Open” menu to navigate to and select the XLSX file. Windows also provides an option to open XLSX files using other compatible applications such as OpenOffice Calc or Google Sheets. Simply right-click on the XLSX file, select “Open with” and choose the desired application.

Opening XLSX Files on Mac

On a Mac computer, you can use Apple Numbers, the default application for working with spreadsheets, to open XLSX files. Double-click on the XLSX file to open it in Numbers. You can also open Numbers separately and import the XLSX file by using the “File” > “Open” menu. If you have Microsoft Excel for Mac installed, you can also use it to open XLSX files by double-clicking on the file or through the “File” > “Open” menu within Excel. Additionally, third-party applications such as OpenOffice Calc or Google Sheets can be used to open XLSX files on Mac, providing cross-platform compatibility.

XLSX File Format

The XLSX file format is an XML-based spreadsheet file format that is used by Microsoft Excel. It was introduced with Microsoft Excel 2007 and is the default file format for Excel 2007 and later versions. The XLSX file format is based on the Open XML standard, which is an open and extensible file format that is used by a variety of Microsoft applications.

The XLSX file format is a more efficient and compact file format than the older XLS file format. It uses XML to store data, which makes it easier to read and write than the XLS file format. The XLSX file format also supports a wider range of features than the XLS file format, including support for large spreadsheets, multiple worksheets, and custom XML tags.

Benefits of Using the XLSX File Format

There are a number of benefits to using the XLSX file format, including:

  • Improved performance: The XLSX file format is more efficient and compact than the XLS file format, which makes it faster to load and save spreadsheets.
  • Increased compatibility: The XLSX file format is supported by a wider range of applications than the XLS file format, which makes it easier to share spreadsheets with other people.
  • Enhanced security: The XLSX file format supports a number of security features, such as encryption and digital signatures, which help to protect spreadsheets from unauthorized access.
  • Extensibility: The XLSX file format is based on the Open XML standard, which makes it easy to extend the file format with new features and functionality.

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