DOS did not support Chinese characters, which are not in Extended ASCII.
Extended play | extended play | Extended Play | ASCII Media Works | Extended Validation Certificate | Extended Copy Protection | Velvet Noise Extended | St Mihangel's, extended in 1988 by re-erecting St Enghenedl's Church, Llanynghenedl | San Diego State University's College of Extended Studies | List of wars extended by diplomatic irregularity | List of musical pieces which use extended techniques | I Would Die 4 U (Extended Club Mix) | Extended SMTP | Extended file system | Extended ASCII | Extended area service | Embedded Compact Extended | Chrome's address bar when visiting a site that has an Extended Validation Certificate | ASCII Corporation |