Windows runs great in Ubuntu using VBox: https://www.virtualbox.org/
And Microsoft Office runs best in Windows. It is 100% compatible.
VBox can be installed from Ubuntu Software.
The version of VBox from Ubuntu Software works better with Ubuntu than the version from virtualbox.org
Windows running in VBox must share resources with Ubuntu so it is a little bit slower than with it's own computer.
Windows running in VBox still technically requires a license for full performance. Without activating, you won't be able to personalize the desktop background, window title bar, taskbar, and Start color, change the theme, customize Start, taskbar, and lock screen etc. Additionally, you might periodically get messages asking to activate your copy of Windows
Microsoft offers free 30-day trials of Office, you can extend your trial five times, for total of 180 days of use