I don’t remember when the update option came to be in Endnote. It may have been a X7 addition, but if there, it should come up when you right click in a record in the library display (as Tony M described).
I don’t remember when the update option came to be in Endnote. It may have been a X7 addition, but if there, it should come up when you right click in a record in the library display (as Tony M described).