UTF-8 issue with excel

I am trying to make excel recognize UTF-8 file and exporting file with UTF-8-BOM file with code

BufferedWriter bufferedWriter = new BufferedWriter(        new OutputStreamWriter(new FileOutputStream(pathToFile.toString()), StandardCharsets.UTF_8));bufferedWriter.write('\ufeff');bufferedWriter.write(content);bufferedWriter.flush();bufferedWriter.close();

I have this characters

みなさん、こんにちは、ここであなたたちを見つけました、これは地球上で最も素晴らしい場所です、パン、空気、水、リンゴ、塩がすべて揃っています。

which have issueenter image description here

and when I am trying to open created file with excel it is recognizes as ASII instead of UTF-8.How to make excel open file as UTF-8?

I tried to add bufferedWriter.write('\ufeff'); to make exported file UTF_8_BOM which is not helpful.