发邮箱添加附件就是把一些文件或者图片通过添加附件的方式，添加到这封邮件里面，对方接受到邮件的时候，打开附件就看到你添加的这些文件了。
1、打开QQ邮箱。
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https://iknow-pic.cdn.bcebos.com/eac4b74543a982260ecd2e838482b9014a90eb02"/>
2、进入QQ邮箱，点击写信。
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https://iknow-pic.cdn.bcebos.com/32fa828ba61ea8d3897571a0990a304e251f583a"/>
3、进入写信界面，填写收件人邮箱，然后点击添加附件。
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https://iknow-pic.cdn.bcebos.com/fcfaaf51f3deb48fd822a47afe1f3a292cf578ce"/>
4、点击添加附件后，弹出窗口选择文件。
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https://iknow-pic.cdn.bcebos.com/7c1ed21b0ef41bd53aeaed505fda81cb38db3ddc"/>
5、上传附件后，点击添加到正文，然后点击发送就可以了。
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https://iknow-pic.cdn.bcebos.com/b999a9014c086e06fc7c3aef0c087bf40bd1cbba"/>