excel怎么两列数据一样才变色

excel两列数据同行比较，不一样即填充红色，使用条件格式即可实现。
方法步骤如下：
1、打开需要操作的EXCEL表格，选中两列数据，点击开始选项卡中的“条件格式”“新建规则”。
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2、选择“使用公式确定要设置格式的单元格”，然后输入公式=$A1$B1，点击格式进行相关格式设置。
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3、切换到填充标签页，选中红色，然后确定返回上一层设置界面。
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4、点击确定即可。
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5、返回EXCEL表格，发现excel中，两列数据同行比较，不一样即填充红色操作完成。
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