How to correctly display .csv files within Excel 2013?

Open the CSV file with a decent text editor like Notepad++ and add the following text in the first line:

sep=,

Now open it with excel again.

This will set the separator as a comma, or you can change it to whatever you need.

For Excel 2013:

1. Open Blank Workbook.
2. Go to DATA tab.
3. Click button From Text in the General External Data section.
4. Select your CSV file.
5. Follow the Text Import Wizard. (in step 2, select the delimiter of your text)

http://blogmines.com/blog/how-to-import-text-file-in-excel-2013/

The problem is from regional Options . The decimal separator in win 7 for european countries is coma . You have to open Control Panel -> Regional and Language Options -> Aditional Settings -> Decimal Separator : click to enter a dot (.) and to List Separator enter a coma (,) . This is !