I have just reinstalled Windows 10 Home in my notebook and installed O365 as well. However, now my CSV files I used to download and use without issues now do not work anymore - it is all without format and impossible for me to work - does anyone know what might be the issue? I open the CSV file using Excel and it is not usable. Below the example of what I see in the CSV file in Excel and my regional formatting already has decimal with comma. What should I do??