Place all MS Office apps in "Microsoft Office 2016". Place this file in that folder. Run as root

share.sh

#!/bin/sh

if (( $EUID != 0 )); then
  echo "Please run as root"
  exit
fi

cd "/Applications/Microsoft Office 2016"

mkdir -p shared/DFonts \
         shared/Fonts \
         shared/Frameworks \
         shared/SharedSupport

find . -type d -depth 1 -name "*.app" | { \
  while read d; do \
    rsync -vaur "$d/Contents/Resources/DFonts/" ./shared/DFonts;
    rsync -vaur "$d/Contents/Resources/Fonts/" ./shared/Fonts;
    rsync -vaur "$d/Contents/Frameworks/" ./shared/Frameworks;
    rsync -vaur "$d/Contents/SharedSupport/" ./shared/SharedSupport;

    rm -r "$d/Contents/Resources/DFonts" \
          "$d/Contents/Resources/Fonts" \
          "$d/Contents/Frameworks" \
          "$d/Contents/SharedSupport"

    ln -s ../../../shared/DFonts "$d/Contents/Resources/DFonts";
    ln -s ../../shared/Fonts "$d/Contents/Resources/Fonts";
    ln -s ../../shared/Frameworks "$d/Contents/Frameworks";
    ln -s ../../shared/SharedSupport "$d/Contents/SharedSupport";
  done; }