By default, all software supports multiple file extensions. NeoOffice supports at least 63 different file extensions. The basic files that NeoOffice supports are .XLSX. However, not all of the extensions listed on the list are always used to save the effects of work in NeoOffice. Very often, files with such extensions are used as source data files used by NeoOffice.
NeoOffice 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 NeoOffice and try to save it in another file format, also supported by NeoOffice.