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Convert your XLS files online. You can convert your XLS documents from any platform (Windows, Linux, macOS). No registration needed. Just drag and drop your XLS file on upload form, choose the desired output format and click convert button. Once conversion completed you can download your OTT 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 OTT file. Expand the ConvertOptions and fill the fields for watermarking.
You can convert your XLS documents from anywhere, from any machine or even from a mobile device. The XLS converter is always available online and is completely free.
Files 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 moreFiles with OTT extension represent template documents generated by applications in compliance with the OASIS' OpenDocument standard format. These are created with word processor applications such as free OpenOffice Writer and can hold settings that can be used to generate new documents from these template files. These settings include page margins, borders, headers, footers, and other page settings. Such templates are used in official documents such as company letterheads and standardized forms.
Read moreYou can also convert XLS into many other file formats. Please see the complete list below.