在设这列数字在A列 321的数据在A2
红色出输入=“已重复”&countif(a:a,A2)-1&"个字"
公式如下:=IF(COUNTIF(B3:B18,B1)>0,"重复","")
1 输入IF(COUNTIF(A2:A100,A2),"重复"," ")
2,用条件格式,如果B1="重复“,就显示红色底
=IF(COUNTIF(A5:A1000,A2),"重复","")
引用地址根据实际修改
A1输入特定数字,B1输公式:
=IF(COUNTIF(A2:A1000,A1),"已重复","")