UTF-8 Encoding for Excel Using Java. Typically, using standard formats when programming can help you migrate information between different programs.

Learn how UTF-8 can improve performance for web applications that support multiple languages and scripts. Compare UTF-8 to other encoding schemes.

The best solution would be prompt user to use utf-8. There are several packages such as Iconv, iconv-lite and utf-8 to change encoding to utf-8, otherwise, it is not working.

I am not familiar enough with excel to know how its encoding works, but remember that it is not a 'normal' text file, so in most cases you won't need to specify it. Specifically for read_excel, the ...