By default, all software supports multiple file extensions. Microsoft Office supports at least 318 different file extensions. The basic files that Microsoft Office supports are .XLSX. However, not all of the extensions listed on the list are always used to save the effects of work in Microsoft Office. Very often, files with such extensions are used as source data files used by Microsoft Office.
Microsoft Office can be used to convert file formats between the file extensions listed below. You can open a file with one of the file extensions below via Microsoft Office and try to save it in another file format, also supported by Microsoft Office.