Browser such as Firefox or Chrome or Microsoft Edge allow user to have tabbed view so that different webpages can be manage in one single app window. It help user to easily navigate multiple site without extra effort in call up different window view.
For Microsoft Office products such as Word, Excel and PowerPoint, too bad they does not have this tabbed view feature. However there are a small trick that can enable this easy switching between files. The steps are all the same for Word, Excel, and PowerPoint, however the guides below will using Word as example.