An nld file extension is related to the Windows drivers for ATI Radeon cards.
NLD file extension - AMD ATI Radeon video driver
What is nld file? How to open nld files?
File type specification:
The nld file extension is associated with the Windows drivers for ATI Radeon (now owned by AMD), a family of graphics cards.
Seems to be obsolete file format without support.
This nld file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.