Excel(XLS) to Excel(XLSX)

Convert Excel(XLS) to Excel(XLSX) Online

XLS to XLSX is a free online tool designed to convert spreadsheet files created in the Microsoft Excel application from the older XLS format to the newer XLSX format. The XLSX format, introduced with Microsoft Office 2007, is an XML-based file format that offers several advantages over the older binary XLS format. Converting from XLS to XLSX is common when users need to take advantage of the improved features, compatibility, and efficiency of the XLSX format. Here's a general description of what a XLS to XLSX tool typically offers:

1. File Conversion: The primary function of a XLS to XLSX tool is to convert spreadsheet files from the older XLS format to the newer XLSX format. This conversion process ensures that the content, formatting, and structure of the original spreadsheet are preserved.

2. Compatibility Enhancement: XLSX files are more compatible with modern versions of Microsoft Excel and other spreadsheet software. The conversion tool allows users to upgrade their files to a format that takes advantage of the latest features and improvements.

3. XML-based Structure: The XLSX format is based on XML, providing a more transparent and extensible structure compared to the binary XLS format. The tool transforms the binary structure of XLS files into the XML-based structure of XLSX files.

4. Support for Larger Data Sets: XLSX supports larger data sets compared to the older XLS format. The conversion tool enables users to work with more extensive spreadsheets without encountering the limitations associated with the XLS format.

5. Improved File Size and Compression: XLSX files typically have smaller file sizes due to improved compression techniques. The tool optimizes the file size during the conversion process, making it more efficient for storage and sharing.

6. Security and Reliability: XLSX files offer improved security features, such as the ability to password-protect individual sheets or the entire workbook. The conversion tool ensures that security settings are appropriately transferred during the conversion.

7. Compatibility with Office Open XML Standards: XLSX adheres to the Office Open XML (OOXML) standards, making it a more open and widely supported format. The XLS to XLSX tool facilitates compatibility with applications and systems that support OOXML.