Outlook blocks update file
Received a software update by email, but Microsoft Outlook blocks the attachment or makes the file unusable.
Some versions of Microsoft Outlook automatically block attachments that are suspected of containing viruses. This security setting can prevent update files from being opened or used correctly.
Steps
Disable Outlook attachment blocking
Follow these steps:
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Open Microsoft Outlook.
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Go to the Tools menu.
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Select Options.
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Open the Security tab.
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Locate the option that blocks attachments suspected of containing viruses.
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Disable this option.
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Click OK to confirm the changes.
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Try opening or saving the update file again.