1.建立註冊檔 XXX.TXT Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Edge] "AlwaysOpenPdfExternally"=dword:00000001 2.批次檔 XYZ regedit.exe /s XXX.txt 執行 XYZ.BAT 3.PDF文件/右鍵/內容 選取預設開啟PDF的程式 4.重開 EDGE 參考 https://admx.help/?Category=EdgeChromium&Policy=Microsoft.Policies.Edge::AlwaysOpenPdfExternally&Language=zh-tw 媽祖保佑