MS office is certainly the best choice but sometimes you need some free stuff and Kingsoft Office could be one of the free Microsoft Office alternates for you. It has got all the essential softwares for free which include:
or you can download all in one Kingsoft Office Suite Free, the look and feel is quite similar to MS office and will not feel like missing Microsoft office for your projects. Here are the file formats it supports:
Input file formats: Word (97/2000/2003/2007/2010) doc, dot, docx, .rtf, .wps and .wpt formats
Output file formats: Word (97/2000/2003) .doc, .dot, .wps and .wpt format.
Input file formats: Excel (97/2000/2003/2007/2010) .xls, .xlsx, .xlt, .csv, .xml, .et and .ett
Output file formats: Excel (97/2000/2003) .xls, xlt, .csv, .xml, .et, .ett and more.
Input file formats: PowerPoint (97/2000/2003/2007/2010) .ppt, .pptx, .pps, .pot, .dps and .dpt formats
Output file formats: PowerPoint (97/2000/2003) .ppt, .pps, .pot, .dps and .dpt format.
So just follow the via link below to get a free MS Office alternate.
via: KingSoft Office