Ultra Office

Free for the next 3 days - Normally $74.95

Microsoft Store - Windows 10 App

CompuClever Systems Inc

Ultra Office is the best free office & PDF software in 2019 - a perfect alternative to Word, Excel, Powerpoint & Adobe PDF. Not only can it support Microsoft Office file formats like Word, Excel, and PowerPoint but also OpenOffice document files. Plus, it also offers a PDF editor, a vector graphics and flowcharts drawing program, a databases editor, and a Math formula editing application.