411 REFERENCE · Wikibooks
Windows Registry Hacks/HKEY CLASSES ROOT
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
The *Microsoft Windows Registry* is divided into sets and subsets. The HKEY_CLASSES_ROOT set contains the following subset entries:
The file extension subset types:
The class identifiers
The typelib entries
Package and vendor specific entries
Compatibility entries
Installer entries
Virtual store entries