When using the "Copy From" button in catalogue item please enable a search. Currently have to scroll through the entire inventory list to find the item you wish to copy.
After accidentally stumbling on Inventory: Item to Copy From - Fast item search | MYOB Community I now realise all I needed to do was click CTRL + SHIFT + F
I have used this online AR Desktop version for nearly 12 months and had no idea of this simple click to bring up the search.
This search box should be on by default or at least have a button to click rather than CTRL+SHIFT+F