=REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(A1,11,,":"),9,,":"),7,,":"),5,,":"),3,,":")
或
=REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(A1,3,,":"),6,,":"),9,,":"),12,,":"),15,,":")
=TEXTJOIN(":",,MID(A1,ROW(1:6)*2-1,2))
假设数据在A1,要在B1中得到结果 ,B1公式如上,
数组公式,以ctrl+shift+Enter结束输入
textjoin是excel2019及365支持的函数。