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Outlook EWS > GetUserConfiguration from Mail Add-In

I am attempting to get a user configuration setting, using GetUserConfiguration, from an Add-In. I receive the response...

The requested web method is unavailable to this caller or application

According to this article, this method is not supported for Add-Ins.

Is there any other way to access these settings, either with EWS, or the REST api ?

I can see that my settings are stored in the message store, as an associated message, under "Root - Mailbox\IPM_SUBTREE". Can I access associated messages directly, via EWS or REST ?

Thanks!

Solution

  • You can use EWS to get the Folder Associated Items so you should be able to read it okay, however if you want to update the item you won't be able to use the UpdateItem (it will throw an error "Office extension is not allowed to update this type of item")