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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 POTM 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 POTM 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 POTM extension are Microsoft PowerPoint template files with support for Macros. POTM files are created with PowerPoint 2007 or above and contains default settings that can be used to create further presentation files. These settings can include styles, backgrounds, colour palette, fonts and defaults along with macros that consist of custom functions for doing particular task. They may also be opened by a previous version of PowerPoint with Open XML document support installed. POTM files can be opened in Microsoft PowerPoint for editing like any other PowerPoint file.
Read moreYou can also convert XLSX into many other file formats. Please see the complete list below.