Based on search results, is a compressed archive file, likely originating from an older online forum (such as the 经管之家 - 人大经济论坛 ), uploaded around August 2005 . What is 21994.rar? File Type: RAR Archive (Roshal Archive).
Based on the 2005 forum listing, the file may require registration or forum currency ("论坛币") to download from the original source. 21994.rar
It is titled "世界500强案例1-4" (Fortune 500 Case Studies 1-4). Size: Approximately Based on search results, is a compressed archive
If you are looking for specific contents within that file (such as the Canon case study), I can try to help you find similar information. a corrupted RAR file? What is a RAR file? RAR file information - BitZipper Based on search results