Graph API Developer–Programmatically get the Outlook categories defined for the user using Graph API

Well, we use Outlook/Office 365 a lot and sure most of them uses Categories. Traditionally, you might have used MAPI/Outlook Object Model/EWS API to retrieve these categories. This time, lets we use Microsoft Graph API to programmatically get the Outlook categories that have been defined for the user. First i make the Request: GET https://graph.microsoft.com/v1.0/me/outlook/masterCategories…

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Graph Developer: Microsoft Graph API fails with error RESTAPINotEnabledForComponentSharedMailbox

One of my customer tried accessing the Graph/REST API call using Microsoft Graph API in their mailbox and they get error “RESTAPINotEnabledForComponentSharedMailbox”. It worked for their couple of other mailboxes, but failed for this given mailbox. Their error stack (detailed one) looked like the following: {     “error”:     {         “code”: “RESTAPINotEnabledForComponentSharedMailbox”,         “message”:…

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Cloud developer guidance: Microsoft Graph or Azure AD Graph?

This is one of the frequent query which i come across. whenever i talked to my app developer customers community. They wanted to know whether they should be using Microsoft Graph (developer.microsoft.com/graph) or Azure AD Graph (graph.windows.net); also i see good number of discussion threads talking the same. In order to conclude this and provide…


Microsoft Graph REST API Developer – Getting list of locales, languages supported for the user mailbox

Using Microsoft Graph REST API, you can get the list of locales and languages that are supported for the user, as configured on the user’s mailbox server. You need to use OutlookUser resource type, which represents the Outlook services available to a given user. Request:https://graph.microsoft.com/beta/me/outlook/supportedLanguages RequestHeader: Authorization, Bearer/Token is required Response:If successful, this method returns…


Exchange TAP: Microsoft Graph Preview for Exchange 2016 customers

– Are you the app developer of Microsoft Graph API? – Want to develop and validate an Exchange hybrid solution? – Do you have Exchange 2016 CU3 or later installed? If “yes”, then this space is for you. We are interested in working with Exchange 2016 customers or partners to help us validate Exchange hybrid…