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Convert your XLSX files online. You can convert your XLSX documents from any platform (Windows, Linux, macOS). No registration needed. Just drag and drop your XLSX file on upload form, choose the desired output format and click convert button. Once conversion completed you can download your XLS file.
You even can perform more advanced conversions. For example you can convert password protected documents. Just expand LoadOptions and enter the password of your file. Or you can add a watermark to the converted XLS file. Expand the ConvertOptions and fill the fields for watermarking.
You can convert your XLSX documents from anywhere, from any machine or even from a mobile device. The XLSX converter is always available online and is completely free.
XLSX is well-known format for Microsoft Excel documents that was introduced by Microsoft with the release of Microsoft Office 2007. Based on structure organized according to the Open Packaging Conventions as outlined in Part 2 of the OOXML standard ECMA-376, the new format is a zip package that contains a number of XML files. The underlying structure and files can be examined by simply unzipping the .xlsx file.
Read moreFiles with XLS extension represent Excel Binary File Format. Such files can be created by Microsoft Excel as well as other similar spreadsheet programs such as OpenOffice Calc or Apple Numbers. File saved by Excel are known as Workbook where each workbook can have one or more worksheets. Data is stored and displayed to users in table format in worksheet and can span numeric values, text data, formulas, external data connections, images and charts.
Read moreYou can also convert XLSX into many other file formats. Please see the complete list below.