Win8.1 移除右鍵「新增」→「公文包」,可透過登錄檔恢復。將下列內容存為 AddBriefcase.reg 雙擊匯入 → 重啟 explorer.exe (或重開機) → 桌面右鍵「新增」即出現「公文包」。移除同理匯入刪除鍵值的 .reg 檔。
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Briefcase\ShellNew]
"IconPath"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,74,00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,73,00,79,00,6e,00,63,00,75,00,69,00,2e,00,64,00,6c,00,6c,00,2c,00,30,00,00,00
"ItemName"=hex(2):40,00,25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,74,00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,73,00,68,00,65,00,6c,00,6c,00,33,00,32,00,2e,00,64,00,6c,00,6c,00,2c,00,2d,00,36,00,34,00,39,00,33,00,00,00
"Directory"=""
"Handler"="{85BBD920-42A0-1069-A2E4-08002B30309D}"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Briefcase\ShellNew\Config]
"IsFolder"=""
"NoExtension"=""
Windows Registry Editor Version 5.00
[-HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Briefcase\ShellNew]




公文包為舊式檔案同步工具,現代建議使用 OneDrive/雲端同步/免費同步軟體 (FreeFileSync) 功能更強大。