documentclass{article}
usepackage{lipsum}
usepackage[utf8]{inputenc}
usepackage{booktabs}
usepackage{makeidx}
usepackage{multicol}
usepackage{ragged2e}
usepackage{fancyvrb}
usepackage{xcolor}
usepackage{graphicx}
usepackage{textcomp}
usepackage{menukeys}
usepackage{tikz}
usepackage{cellspace, graphicx, makecell}
usepackage{xparse}
usepackage{cellspace,tabularx}
usepackage[export]{adjustbox}

begin{document}

On pc it looks like tabwinnobreakspace and on Mac it looks like tab.

end{document}

PassOptionsToPackage{export}{adjustbox}