Make This PC your default location to save Office documents

[Windows Central]

Here's a quicker way to save Office documents locally on your computer.
If you're a Microsoft Office user, you probably noticed that saving Word, Excel, and PowerPoint documents locally can be a little confusing as the "Save As" experience can include a number of locations, such as recently used paths, OneDrive and OneDrive for Business, SharePoint, This PC, and many others.

Full story from the WindowsCentral blog...