MS word

Look into the Free LibreOffice, it handles MS Office files…

https://www.libreoffice.org/

Make a New Location, Using network locations in Mac OS X ...

http://support.apple.com/kb/HT2712


System Preferences>Network, top of window>Locations>Edit Locations, little plus icon, give it a name.

System Preferences>Network, click on the little gear at the bottom next to the + & - icons, (unlock lock first if locked), choose Set Service Order.

The interface that connects to the Internet should be dragged to the top of the list.

Sys Prefs>Network>highlight the Interface you're using>Advanced>TCP/IP>Configure IPv4: Using DHCP.


If using Wifi, instead of joining your Network from the list, click the WiFi icon at the top, and click join other network. Fill in everything as needed.

System Preferences>Network>choose interface>Advanced>Proxies Tab, make sure none are set, like for HTTP & HTTPS.

System Preferences>Network, unlock the lock if need be, highlight the Interface you use to connect to Internet, click on the advanced button, click on the DNS tab, click on the little plus icon, then add these numbers...

8.8.8.8

8.8.4.4

1.1.1.1

9.9.9.9

Apply.

That is a very old version of Office 2016. Update it to the latest, 64 bit version.

Version 16.16.2, directly from Microsoft's site. Get the Install package rather than only the update.

We can't see your computer. You're going to have to be far more verbose.

What version of Office/Word are you using? Is the information about your Mac correct (MacBook Air with macOS 10.13)?

Sorry, no idea on that one.