Mohammad Daoud has extended his previous pasting from Excel concept to inlcude Excel Paste for “Any Screen” in Microsoft Dynamics GP
This is worth a look. Check out the included videos.
Mohammad R. Daoud: Excel Paste for “Any Screen” in Microsoft Dynamics GP
Archived post from 2012. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.