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Win7开启Excel报错“没有附加数字签名的可信证书”的解决方法

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　　Excel是微软办公套装软件的一个重要的组成部分，它可以进行各种数据的处理、统计分析和辅助决策操作，用户在日常工作中频繁使用。如果在Win7系统中开启Excel时报错“没有附加数字签名的可信证书”怎么办？

　　1、双击打开Excel程序后，点击上方窗口中的工具——宏。

　　2、在之后出现的设置窗口中，切换到“安全级”标签页，将级别设置为低，点击确定保存设置即可。

　　上述就是在Win7系统中开启Excel时报错“没有附加数字签名的可信证书”的解决方法。有需要的用户可以使用以上方法。

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