Office 365 Devs: Deprecation of Outlook REST API v1.0

As you aware that the Version 1.0 of the Outlook REST API was launched in 2015 to provide API access to mail, calendar, contacts, and other data from Exchange Online. Later we came up with Outlook REST API v2.0 and Microsoft Graph, both of which provide richer features, and better performance and reliability than Outlook…

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Understand more about Office.js, it’s add-in runtime environment and Internet Explorer protected mode!!

In addition to the earlier blog post, you can refer the following: – Microsoft Office addins using the Apps for Office platform are designed to run in isolation, using a low rights sandbox. – Several features, such as the task pane view, use web views provided using Internet Explorer APIs.  – To ensure these components…


Debug: Outlook office addin (apps for office) fails to load, errors out

Recently one of my developer customer reported that he designed a new Outlook addin (apps for office) which fails to load and it throws the error “This app could not be started. Close this dialog to ignore the problem or click “Restart” to try again.” During troubleshooting we noticed that this issue occur because protected…

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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…


Microsoft Graph, Office 365 and .Net Developer

As you aware Microsoft Graph provides a powerful and consistent API for data in Office 365, Azure Active Directory and beyond. With it, you can access key data across organizations. Whether you’re looking to add some simple smarts to your app, like enhanced people pickers or file attachments from OneDrive, or looking to build enterprise…


Part # 2 {Office Insider} – Getting early access to new Office 2016 features to the Office 365 Commercial customers

Adding this is in continuation of my earlier post. If you’re the admin for an organization that has an Office 365 commercial subscription plan that includes Office, such as Office 365 ProPlus, you can provide your users with early access to new features of Office 2016 for Windows desktops by opting into the First Release…


Office 365 Developer: Using People API with Microsoft Graph v1.0

Microsoft Graph provides access to useful people data. You can use the person resource and the People API to aggregate information about a person from across mail, contacts, and social networks. The results are ordered by their relevance based on multiple communication and collaboration patterns and business relationships. The API lets you browse, sort, select,…

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Part #1 {Office Insider} Gotcha: Be an Office Insider

Good number of my developer customers/ISVs asking about “Microsoft Office Insider”, “what is it” and “where to getting started” – so i am sharing the related info. As you aware that Microsoft Office is available around the world, and we’re continuously hard at work on exclusive monthly upgrades and new features for Office 365 subscribers….

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Video: Creating apps using Microsoft Graph & Visual Studio 2017

In this video, Michael Mainer, Senior Community Engineer talks about how you can connect Microsoft Graph with latest Visual Studio 2017. You will learn how to use the Microsoft Graph API SDK for .NET to build your next integration with Office 365, including an updated Visual Studio experience. Hope this helps.


Diagnostics: How to enable debug tracing for System.Net.Mail API?

You can enable the following trace switches in your application config file, so that you can enable tracing for The System.Net.Mail library/API. This will log the contents of the SMTP session to a file. To send traces to a log file, add the following node to the <system.diagnostics> node of the appropriate configuration file (application…

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Office 365 Developers – Catch up on Outlook APIs in Microsoft Graph

  In Build 2017, i attended good number of sessions virutally, including this one by Venkat Ayyadevara, Program Manager, Outlook EcoSystem about Outlook API’s in Microsoft Graph. In this, you can learn about recent updates in Microsoft Graph for accessing Outlook mail, calendar, contacts and more for millions of commercial and consumer users. You can…


MAPI Developer: Download latest MFCMAPI from the Github

As you aware that MFCMAPI provides access to MAPI stores to facilitate investigation of Exchange and Outlook issues and to provide developers with a sample for MAPI development. If you look to download the latest MFCMAPI (x86/x64) then you can get it from the Github @ https://github.com/stephenegriffin/mfcmapi Hope this helps.


Debug: WebAPI/Web Service fails to hit Load Balancer when called from Outlook add-in

Recently i worked with this app developer, who created a custom Outlook add-in through which they try to make use of custom ASP.Net Web Service/Web API using REST call. This URL works fine from the browser on a machine running the Outlook with the Add-in installed. But it fails with the below error from within…