A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
Hi Beachmaya,
Thanks for visiting Microsoft Community.
It seems that you are experiencing an issue with separators in Excel.
You can go to File-Options-Advanced, and under Editing options, find the following two settings and change them to what you need. For example, change the thousands separator to "." and the decimal separator to ",".
The effect after the change is shown in the picture:
I hope this can solve your problem. If you need further assistance, please feel free to reply.
Best Regards,
Jonathan Z - MSFT | Microsoft Community Support Specialist