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Mail 11 (High Sierra): mail attachments "downloading" but never actually download

Since my upgrade to High Sierra, I can't download, read, quicklook ..... almost any attachments.

Especially PDF documents are problematic. It shows a light blue sign "Dowloading" under the file icon.

MacBook Pro (15-inch Mid 2012), macOS High Sierra (10.13)

Posted on Oct 18, 2017 10:54 AM

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Posted on Oct 30, 2017 8:13 PM

I have this issue also. I have tried all the suggestions above, but I cannot open some attachments they are stuck downloading. Not all attachments have this issue. Just from certain people sending them. PDF Documents Jpgs from particular clients are all stuck not downloading. If I ask my client to send the attachments to my gmail account, I can then go to Gmail through my browser to download the attachments. I have tried going to mail on iCloud.com through the browser, but they are not downloading from there either. All started happening after upgrading to high sierra and iOS11. I have an iPad still on iOS10, but the same emails with attachments are still stuck.

126 replies

Mail 11 (High Sierra): mail attachments "downloading" but never actually download

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