Azure Developer: Submit your Feature requests for Microsoft Graph API User Voice

Have you submitted any of the feature requests for Microsoft Graph API earlier? If yes, then please note that we got a new home for it  microsoftgraph.uservoice.com. Until now, the feature requests were part of the larger Office Dev User Voice. With this move to Microsoft Graph’s own instance of User Voice, each API service…


EWS API throws error “No Mailbox with such GUID”

Recently i was working with an ISV/application developer, who created this custom application using EWS (Exchange Web Services) API. It worked with the account with impersonation rights to access other mailboxes/calendars in Azure/Office 365/Exchange Online. But when they tried to access a specific mailbox calendar, they see the error “No mailbox with such GUID”. We…


Deep dive # 1: How to configure Exchange on-premise Server hybrid integration with Office 365/Azure Infrastructure and test REST API calls?

This is one of the regular discussion that comes across at my desk, how we can configure Hybrid Exchange on-premise server integration with Office 365/Exchange Online, so that users can make use of REST API. So I thought let me stitch all of them together which can be handy for both the Exchange administrators and…

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Microsoft Graph API’s Beta version, developer guidance, support

Microsoft Graph API’s beta version, You need to be aware that beta version contains features that are currently in preview. You’re invited to try these APIs. Beta version is exposed under https://graph.microsoft.com/beta How to find if the feature is in beta or not, When you open the Graph API documentation, you will see the following…

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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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Debug: Graph API throws HTTP 403 with $filter for some users

In recent times, i worked with one of the ISV developer who reported that for some users when they use $filter with Graph API calls throws HTTP 403 – Forbidden. The same call works fine with $filter for most of the users. We chased and found it happens for some users (and not for all…


App developer guidance – Microsoft Graph API

Well, you might be using Microsoft Graph or Office 365 REST API or Azure AD Graph API’s, where you may see some functionality is not yet available in Microsoft Graph when compared to Office 365 REST APIs or Azure AD Graph APIs. In that case, I would suggest the following guidance: For Office 365, if…


Graph API : Subscription lifetime changes for Outlook resources

If your application uses user tokens to create subscriptions to Outlook resources, then you need to update your apps as needed to handle this scenario. This only applies to applications that use user tokens to create subscriptions. Applications that use app tokens to create subscriptions are not affected by this change. Existing applications do not…


Outlook Developer: Outlook Object Model API, IRM, Do not forward option

With Outlook Object Model (OOM) API, now you can access the Outlook mail item and its permission property programmatically. You can set the Permission property – using that you can set or returns an OlPermission constant that determines the permissions the recipients will have on the e-mail item. C++ public: property Microsoft::Office::Interop::Outlook::OlPermission Permission { Microsoft::Office::Interop::Outlook::OlPermission get(); void…


Microsoft Graph API developer – Using GetSchedule API to get free/busy availability information

Now you can use the GetSchedule API (when I publish this article, its available in /beta endpoint) to get the free/busy availability information for a collection of users, distributions lists, or resources, for a specified time period. You can use it simply by calling, POST /me/calendar/getSchedule POST /users/{id|userPrincipalName}/calendar/getSchedule Let me play with this API call…

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Microsoft AI & ML developer – Video Moderation with Content Moderator

Content moderation is the process of monitoring for possible offensive, undesirable, and risky content. Content Moderator, a Cognitive Services product, combines machine-assisted content moderation APIs and human review tool for images, text, and videos into a complete content moderation solution. In this episode, Sanjeev & Seth will get an overview of Content Moderator and learn…

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