How to disable html format in OWA

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Occasional Contributor

Hi Folks, 

 

Is there a way we can disable HTML formatting in OWA organization wide?

 

We can make changes per users basis on https://outlook.office.com/mail/options/mail/messageContent but we rather like a way to disable the HTML emails for everyone in the organization - I looked up for a related attribute in OrgConfig/remote domain and OWAMailboxPolicy but found nothing related. 

 

Any help would be appreciated. 

5 Replies
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You can toggle this on/off via PowerShell, so it's easy to automate across multiple users:

 

Set-MailboxMessageConfiguration user -DefaultFormat PlainText

 

Note that this setting only applies to OWA.

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This indeed helps us but we wanted a way to disable HTML formatted emails both incoming and outgoing. Is there a way this can be achieved? 

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Hi @TechAB,

 

in other words you wish to convert all ingoing emails from HTML to  the plain text. correct?

If so you have to create a custom transport agent (if you are running on-premise Exchange server).

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Yes, that is correct. I want to convert all incoming/outgoing emails from HTML to Plain text. I am completely EXO. 

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If EXO means Exchange online then the only way I can see is creating a custom Power Automate flow.