Opening Office Documents in LibreOffice from a Web Page
To open Office documents from a web page in LibreOffice for editing you can use IT Hit WebDAV Ajax Library DocManager JavaScript API. This will work on Windows, OS X and Linux flavors in Chrome, Firefox, Safari, Edge and Internet Explorer.
To initiate document editing you will call DocManager.DavProtocolEditDocument JavaScript function. It will trigger document editing opening it directly from server. You can click on a Save button in LibreOffice to save it back to server without download-upload steps.
Note that if you are opening an MS Office document (docx, xlsx, pptx, etc) and you have both Microsoft Office and LibreOffice installed on a client machine the document will be opened with an application associated with the extension. To open with LibreOffice you may need to change the document association in OS.
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