Excel file is a strange situation sometimes occurs，Man and multi-column fracture arrival of 會莫 name，Cause file jumped to dozens of MB，會發 raw cause not neat and clean，But it seems that every once in a while，Someone will launch an attack。發生 此 problem when，Simply redundant field, select，Deleted and then press the right，Progression 檔案 儲存，That will reduce the file size to the others。
Tips. Deleted must be stored，Otherwise, the field will always show the number of the original。
