What were the MS-DOS programs that the moricons.dll icons were intended for? - The Old New Thing
What were the MS-DOS programs that the moricons.dll icons were intended for? - The Old New Thing

devblogs.microsoft.com
What were the MS-DOS programs that the moricons.dll icons were intended for? - The Old New Thing

IIRC, some of the Microsoft ones were designed by Susan Kare (who previously did the Macintosh icons).