Outlook未提前通知即删除了我往期邮件中的附件

我的一位朋友用 Gmail 给我发了封邮件，我的Outlook是收件人，还抄送了另一个 Gmail 邮箱。不是群发，一共就3个人：1个 Gmail 发件人、1个 Outlook 收件人，1个 Gmail 抄送。

邮件里带了1个附件，是一位成年男性的艺术照。照片没有任何裸露私密部位的内容，也没有不适宜的动作，明显是成年人。这是上半年或去年的邮件了，当时是能看到附件的，我也有存档，可昨天我在 Outlook 里找这封邮件时，发现附件已经看不了了。事前我完全没有收到任何通知或警告。

另外你们论坛要选的子子项，我是个人版（非家庭版，论坛无个人版选项）Microsoft 365氪金用户，是较为高级的套餐但记不清套餐名了。

另外可以参考我给你们同行的英文投诉信：

Subject: Complaints about Gmail modified my email attachment without any notice

A friend sent an email from Gmail to an Outlook recipient, with my Gmail in CC. It was not a mass email (1 Gmail sender, 1 Outlook recipient, 1 Gmail CC).

The attachment was an artistic photo of an adult male — no nudity of intimate parts, no inappropriate poses, clearly an adult. Gmail altered the attachment, with no label, warning, or any indication that it had been modified.

I would like to request the following:

An explanation of why the attachment was modified;

Clarification of the specific policy or system that caused this;

An explanation of why no visible indication was given that the attachment had been changed;

Confirmation of whether this type of content is routinely altered, and under what criteria;

Restoration of, or access to, the original unmodified attachment if possible.

This raises serious concerns about transparency and trust. Users should not have their received content silently altered without notice.

Thank you.

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