Why WPS office is a best alternative of Office Portable WPS Office is available on Windows 32-bit and 64-bit versions and can support android and Mac Os. It also supports a vast number of file formats. Instead of using cracked Office portable versions, it is best to use alternative software called WPS office, which has similar functions to Office portable but is entirely free.WPS Office has many vital functions similar to Office portable like word processing, spreadsheet making, presentation making, etc. You can download the trial version for limited days, but after that, buying the full version will cost you some money. Many people want to get Office portable free download. Microsoft office portable is the latest version of Office.