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Cloud Services Thread, Office 365 block xml files in Technical; I am at the end of my tether, I am going to join the circus as the person who sticks ...
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    Office 365 block xml files

    I am at the end of my tether, I am going to join the circus as the person who sticks his head in the lions mouth, as I think it will be less stressful than working in a school and working with Office 365.

    Right rant over, to problem.

    Before the latest Office 365 update, I had xml files unblocked for attachments and everything was working fine. Since the update xml files are blocked again and i cannot unblock them I have gone through the process with powershell again and again, but still xml files are blocked. Has anyone else managed to sort this? Or is anyone else having this issue?

    Also why for the love of all that is holy, do we have to go through a long process with powershell to unblock attachments. Wouldn't it be easier to just have a page within the admin login to manage this sort of thing.

    Again rant over and I apologise for the rant, having a bad day.

    Any help would be gratefully appreciated.

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    EduTech's Avatar
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    Hi,

    Can I just confirm you have run the following commands:

    Get-OwaMailboxPolicy OwaMailboxPolicy-Default | select -ExpandProperty AllowedFileTypes
    This will tell you then what is currently blocked:

    and then you can add more to the allowed list by using the following powershell command:

    Set-OwaMailboxPolicy OwaMailboxPolicy-Default -AllowedFileTypes '.xml'
    Are you still experiencing issues?

    The same file type may be defined in multiple lists. When that happens, here's the order of precedence:

    • The Allow list overrides the Block list and the Force Save list.
    • The Block list overrides the Force Save list and is overridden by the Allow list.
    • The Force Save list is overridden by the Allow list and Block list

    .
    You can find out more information here: View and Customize Settings in Outlook Web App Mailbox Policies

    Regards,
    James.
    Last edited by EduTech; 22nd October 2013 at 01:48 PM.

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    I just came across this problem and had run the command to add xml to the allow list (where it appears, but it also still appears in the block list) but the files are still being blocked in e-mails.
    Last edited by Chrish5; 24th June 2014 at 01:13 PM.

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    I get our users to ZIP XML files here. An extra two clicks is no hardship.

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    Yeah that was my 1st solution but thought I'd try and 'improve' the system to not have the problem again. I've now removed xml from the Blocked list but still the files are being blocked in the web app.

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