https://www.google.com/search?q=sandbox:/mnt/data/Etut_Programi_Final.xlsx

The string sandbox:/mnt/data/Etut_Programi_Final.xlsx is a local or sandboxed file path, not a valid public web URL. Google Search cannot open or index files that exist only on a local or sandboxed file system, so searching for that path in a browser will not open the workbook.

To work with that Excel file:

1. Open it directly in Excel (desktop):
   • In Excel, select File > Open.
   • Browse to the actual location of Etut_Programi_Final.xlsx on the local drive or network share and open it.
2. Or upload it to a cloud location and open in Excel:
   • Save or upload the file to OneDrive or SharePoint.
   • Then open it from Excel via File > Open > OneDrive or SharePoint, or from the web interface.
3. To create a hyperlink in Excel to that workbook (if it is on a network or web location):
   • Select a cell.
   • On the Insert tab, select Hyperlink (or press Ctrl+K).
   • Under Display Text, enter the text for the link.
   • Under URL, enter a valid path that Excel and the operating system can resolve (for example, a UNC path like \\server\share\Etut_Programi_Final.xlsx or a proper http:///https:// URL if the file is on a web server).
   • Select OK.

Excel and browsers require valid, accessible paths or URLs; a sandbox path such as sandbox:/mnt/data/... will only work inside the specific environment that defines it, not via Google Search.

References:

• Work with links in Excel
• Using hyperlinks in an Excel workbook in the browser