diànzǐwénjiàn
ㄉㄧㄢˋ ㄗˇ ㄨㄣˊ ㄐㄧㄢˋ
Simplified 电子文件
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 電子文件 and it comes back until you know it.