Hyperlink to Result File
By clicking on the grey Excel icon, result details will open with the appropriate authorization. The file starts after the usual download mechanism of the browser within Excel and can be stored locally on request.
By clicking on the MS Excel icon, a detailed result report at field level will open, relying on the well known download mechanism of the browser. In the productive implementation, the company-internal authorization is the baseline: the file can only be downloaded by those persons who are authorized to access the corresponding folder.
But it's best to see for yourself how OMdashboard is implemented. Here is your link to the OMdashboard demo version.