QQ空间访问权限设置指定非好友访问的具体操作步骤如下：

1、进入你的QQ空间，点右上角的设置图标。

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2、然后我们选择访问权限。

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3、然后我们选择自定义选项。

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4、展开，选择部分好友。

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5、然后我们选择指定人设置，也可以指定分组的好友可以。

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6、选择可见的好友，点击确认即可。

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7、你也可以限制某些好友访问你的QQ空间，点限制名单右侧的设置选项。

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8、添加要限制访问的QQ号码，设置完成后，保存设置即可。

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