You can use this function in Google Chrome or Microsoft Edge, and it requires the Google Chrome extension "Office Editing for Docs, Sheets & Slides": https://chrome.google.com/webstore/deta ... gdpimamgkj
How to edit/view Office documents?
Just select an Office document file by clicking on its filename first, then click the button "View/Edit Office Files" on the top.
![Image](https://www.wftpserver.com/bbsres/localoffice1.png)
![Image](https://www.wftpserver.com/bbsres/localoffice2.png)