A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data
Yes.
The entire context is not just comma and dot, you also have dates and times in the CSV which also must be converted into numbers.
I guess that the "English (UK)" locale should convert your CSV into correct data.
BTW, you need to setup all this only once. If you get new data overwrite the old CSV file, open your Excel file and click Data \ Refresh All and you're done.
Andreas.