有抓下來試、指定成預設程式，點取excel檔程式會啟動、連上office web版，但檔案不會打開。
想了想這作法好像意義不大，既然是web app即便檔案開了也一定經過上載到office365網上的過程、而不是真正在電腦端處理。不如開網頁、上載後編輯。
另外、此程式體積有80幾mb、不算小。字形跟firefox/Edge不一樣、會不會其實骨子裡是另一套瀏覽器。
官網如下:
https://github.com/rafgui12/Office365WebDesktop說明翻成英文如下，說到Webview:
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This Project based on a WebView in Electrojs of the office 365 version, which was created for easy access and use for Linux distributions with Snap, in version 0.6.3 it has its first portable version for Windows.
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