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Email attachments won't open or download on Mac

Attachments need two things: they must download first, and you need an app that can open that file type. If you see a download arrow, click it first. If it won't open, the app to open that file type isn't installed.

Email attachments require two steps: downloading to your Mac, then opening with the right app. If you see a paperclip icon but no download button, the attachment didn't fully download. If it's downloaded but won't open, either the file format isn't supported, the file is corrupted, or the required app isn't installed. Common formats like PDF, Word, and images work on every Mac.

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