Unable to receive attachments from particular recipients in Outlook 2010
Hello, A few of our employees are having an issue with their vendors/customers sending attachments that they apparently don't receive. The email comes in without at attachment and in Plain Text format. When the sender sends an email with an attachment to someone else CCing another contact, that contact receives the attachment (message in HTML format) and our employee still does not (message in Plain text format). The only common factor here is the employees that are having this issue are all using Outlook 2010. And I believe this mostly involves PDF attachments, I might be wrong. I have checked our employee's Outlook settings and everything looks good: Under Global Settings in the Compose in this message format list, HTML is selected. Under the Contact/Recipient Settings and Internet format, Let Outlook Decide the best sending format is selected.
I also cleared the contact from autocomplete to see if that would reset whatever settings being cached for these users.
Also, I checked the COMM Add-Ins and there isn't anything that seems to be causing the issue, enabled.

This seems to be intermittent. There are no error messages on the recipient's end when an email that's supposed to have an attachment does not come through that way. There is no banner in the infobar that said the attachment was blocked. Or any indication that there ever was an attachments in the first place...

These accounts are configured through a Microsoft Exchange Server (2003).Our employee's machines are part of domain and a network. Logging into a separate computer (or though OWA) makes no difference, the attachments still don't come through.
Any ideas?
Thanks,
Avarayne
August 3rd, 2013 11:33am

Depending on your description, here I have some suggestions:

1. Still ,start Outlook in Safe Mode to determine if it's a 3rd-party add-ins that stops the attachments:

Win + R, type outlook.exe /safe in the blank box, then press Enter.

If theres no problem in Safe mode, disable the add-ins one by one to verify again.

2. Was there totally no attachment, or a Winmail.dat file instead? If there's a Winmail.dat file, please read this article:

http://support.microsoft.com/kb/958012/en-us#letmefixit

And, also refer to this thread:

http://social.technet.microsoft.com/Forums/en-US/04c4f814-29dd-4f58-83ad-2171326dcda3/outlook-2010-sending-attachment-recipient-receives-winmaildat

You may take the advice from that post which was marked as answer.

Regards.

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August 5th, 2013 4:46am

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