I am unable to open pdf attachments on my MacBook Pro since the upgrade to Monterey 12.3.1 They do open however on my iPhone.

Is anyone else having this problem? I tried downloading them to my desktop but got an error message saying the file may have been corrupted or in the wrong format which is not true. I am able to see them and open them on my iPhone.

MacBook Pro 13″, macOS 12.3

Posted on Apr 11, 2022 6:36 AM

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Posted on Apr 11, 2022 6:43 AM

snailgurl wrote:

Is anyone else having this problem? I tried downloading them to my desktop but got an error message saying the file may have been corrupted or in the wrong format which is not true. I am able to see them and open them on my iPhone.


Mail issues loading content in macOS Monterey


Try making some changes here—

Open mail app select Mail>Preferences>Privacy disable:


“Protect Mail Activity” /

“Hide IP address” /

“Block all remote content”



Use Mail Privacy Protection on Mac - Apple Support

Use Mail Privacy Protection on Mac - Apple Support


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Question marked as Top-ranking reply

Apr 11, 2022 6:43 AM in response to snailgurl

snailgurl wrote:

Is anyone else having this problem? I tried downloading them to my desktop but got an error message saying the file may have been corrupted or in the wrong format which is not true. I am able to see them and open them on my iPhone.


Mail issues loading content in macOS Monterey


Try making some changes here—

Open mail app select Mail>Preferences>Privacy disable:


“Protect Mail Activity” /

“Hide IP address” /

“Block all remote content”



Use Mail Privacy Protection on Mac - Apple Support

Use Mail Privacy Protection on Mac - Apple Support


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I am unable to open pdf attachments on my MacBook Pro since the upgrade to Monterey 12.3.1 They do open however on my iPhone.

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