Hi @Jerry.Vanek.SG
It looks like there is a maximum number of icons that can be displayed if the quick access tool bar is above the Ribbon bar.
If I clear my custom icons I can add a few as normal and then when it runs out of room and they get hidden at the end.
If you move the quick access tool bar to below the ribon bar this gives more room and the hidden icons now display.
Hope this helps.
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