The following problem has come to my attention.
When writing EXCEL files I am using the Italian version of Excel, where commas are used in places of dots and vice-versa. This can pose problems to users downloading the files and opening them with the English version of Excel.
The voltage of 347 mV appears as follows:
Excel Italian: 0,347 V
Excel English: 0.347 V
The voltage of 2345 V appears as follows:
Excel Italian: 2.345,00 V
Excel English: 2,345.00 V
I hope this helps.