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Attachment problem

You cannot open an attachment · An attachment is blocked or missing · The attachment file size is too large

EmailDifficulty 1/310 minLow risk

Applies to: Windows, Mac, iOS, Android, Other

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Initial troubleshooting steps

Confirm the attachment file type is safe and supported.
Ask the sender to resend the file if it appears broken or incomplete.
Try opening the file on another device or app if you have permission.
If the attachment is too large, ask the sender to use an approved file-sharing service.
Never open unexpected attachments from unknown senders.