ViewRegistered Type Libraries 

Displays the list of all type libraries currently registered on your system. The Registered Type Libraries view displays in the Code Editor. You can view, search, and register/unregister type libraries.

View	Filters the view. You can select either Registered Type Libraries or Registered ActiveX Controls.
Register	Displays the Register Type Libraries dialog box. Navigate to the location of a .tlb file that you want to register, and then click Open.
Unregister	Unregisters the selected type library and removes it from the list.
Search	Enter a search string. The list automatically includes only those type libraries that match your search string. The string can be present in any field being displayed on this page. Click X to clear the search string.
Description	The description associated with this type library.
Version	The version number associated with the type library.
Filename	The location of the .tlb file on your system.
GUID	The Globally Unique Identifier assigned to this type library.