Outlook 2013: Attachments being corrupted randomly

1146225 pts.
Microsoft Outlook
Hello guys! I am having problem in a company when users receive external emails from different people with attachments and some of these attachments are corrupted when arrive in the inbox. The attachment can be PDF or XLS, DOC, etc. I made a fully update on the office and adobe reader of a user but that didn't solve. I took a machine that was with Outlook 2013 completely outdated and did not help too. The strange thing is that all the machines are experiencing this problem at the same time. When I open the email of attachment that was corrupted, from the webmail provider, I can open the attachment normally. Sometimes an email that arrives with two attachments, one of the attachments opens and the other appears the corrupted message, and again, randomly. If the employee forwards the email with the corrupted attachment  for me (I have Outlook 2013 with hostgator email provider) the corrupted message appears too. I tried to open the outlook in safe mode, but the user said that is having the same problem. The outlook 2013 is set to use IMAP port 143 and SMTP port 587. Could someone help me?

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  • TheRealRaven
    Is the email server in your local network or is it supplied by your ISP or other hosting service?

    ...from the webmail provider...

    I assume that means it's some external service you're using.

    Since you're using IMAP, are the same documents "corrupted" if you access them with Thunderbird (or other non-Outlook client)? That is, are the documents corrupt in the account on the server? (Are they corrupt if you access them from a different location?)

    Isolating when/where any corruption occurs should be done first.

    What country are you in?
    35,650 pointsBadges:
  • Harisheldon

    If, as you stated this happened at the same time, you may need to contact your enterprise exchange administrator and see if there was some type of hiccup on either the server or network at that time.

    If you are the exchange administrator, and are still having an issue with this, you may need to contact Microsoft on this, but, it does sound like that there was an issue with your network during this period.

    12,915 pointsBadges:

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