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When I attached a Word document to an email it comes up as undefined and as an octet/stream

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When I attach a Word document to an email it shows up as "undefined." Then, when the recipient tries to open it, it says it's an octet stream file.

I can attach documents in Safari with the same email provider without a problem.

When I attach a Word document to an email it shows up as "undefined." Then, when the recipient tries to open it, it says it's an octet stream file. I can attach documents in Safari with the same email provider without a problem.

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Hi mjmonck-

Which email provider are you using? There are different solutions possible for different providers. Yahoo is having trouble with attachments, outside of any Firefox issue. I've seen a Google user fix this by manually adding the mail URL to their ad block program- which mistakenly perceived the webmail page as an advertisement.

Hope this helps.