一、檢視圖檔與開啟方法

                                                開啟資料夾

                                                            存入歷史紀錄

                                                            開啟檢視預覽

                                                            點選圖檔

                                                            轉入AutoCad系統

                                         二、重新儲存圖檔方法

                                                 點選勾選圖示

                                                             勾選圖檔別

                                                             開啟全部圖檔

                                                             重存圖檔