I am using LL version 23.2. With this version when I am facing font issue in downloaded report as excel file. Font size in excel is not unique, if you go down in excel you will found different font and font size and second issue is, it is always download .xls format not the .xlsx .
I have also checked same on below URL and it is working same as my version.
Can you please let me know if we have fix for above points.