Use Microsoft Graph API to reach on-premises, cloud users of hybrid Exchange 2016

As you aware, Office 365 and Exchange Online provide a new way to work with email, calendars, and contacts. The Mail, Calendar, and Contact REST APIs provide a powerful, easy-to-use way to access and manipulate Exchange data. In this video, you will see Venkat, Principal Program Manager lead will walk you through how to use…

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Office 365 Graph Developer : Lets use Microsoft Graph Delta Query…

As you aware that Microsoft Graph provides a single API endpoint that gives you access to rich people-centric data and insights, via a number of resources like users and messages. Many applications need to keep track of what’s changing in these data sets, and we recently added support for delta query across a variety of…


Redmond Protocol Plugfest 2017

Dear fellow developers and quality assurance engineers / testers, please register/participate in our annual Redmond Interoperability Plugfest 2017. Register here Venue: Microsoft headquarters in Redmond, Washington Date: June 19-23, 2017 Detailed agenda: https://www.interopevents.com/redmond2017 – It’s designed to cover interoperability topics that span Microsoft, including Office, Windows, and SQL. There will be testing, workshops, and great…


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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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.


Video: Understand your Productivity, analytics with Microsoft Office 365 MyAnalytics Outlook add-in

Microsoft Office 365 MyAnalytics Outlook add-in is part of MyAnalytics. MyAnalytics helps you understand how you communicate and spend your time at work.  Now with Microsoft Office 365 MyAnalytics add-in enables executives, managers and workers to focus on what matters most with time and network insights derived from Office 365. Understand time by category, collaboration…


Cloud Developer: Office 365 REST API returns 401 access denied with an error code of “invalid_token”

In recent times i worked with this cloud developer (Azure AD, Office 365 REST API) where they created a custom application. It uses (Calendar, Contact, Mail APIs) to pull items from the specified user mailbox. Intermittently they see “401 Access Denied” followed by error code “invalid_token” from the API. During the investigation, we noticed that…

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End of support for Microsoft Exchange Server 2007 in April 2017

Last year we talked about end of support in April 2017 for Microsoft Exchange Server 2007.  On April 11, 2017, Exchange Server 2007 will reach End of Support Life Cycle . If you haven’t already begun your migration from Exchange 2007 to Office 365 or Exchange 2016, you need to start planning now. It also…


Office Developer: Outlook 2010 add-in template not available in Visual Studio 2013?

Once you installed Visual Studio 2013 and tried building a custom Outlook add-in you will the see the Outlook 2013 add-in template available.   Recently one of my customer asked, what if he wants to build Outlook 2010 add-in and he failed to see the respective template for it. I suggested the following steps to…


Office Developer: Request from Office for Apps going to ajax.aspnetcdn.com getting a 502 error?

In recent times, i was working with this customer where they created an Outlook add-in (Office for Apps/Office.js). They noticed that a request from Office for Apps going to ajax.aspnetcdn.com getting HTTP 502 error. During debugging (network sniffs) we noticed that issue happens that the URLs were blocked by their AV, Proxy Server settings. On…


Office Developer: Which build of Microsoft Office do I need in order to get that cool API or requirement set?

        This is one of the regular query raised by various developer customers, “Which build of Office do I need in order to get that cool API or requirement set?”.  Ok, here is the published guidance that addresses that question. Check out these topics: Dialog – https://dev.office.com/reference/add-ins/requirement-sets/dialog-api-requirement-sets Excel – https://dev.office.com/reference/add-ins/requirement-sets/excel-api-requirement-sets OneNote -…


Training: Advanced Office Add-in Development with Outlook

All of us spend a significant amount of time in email. Want to see how to build custom mail add-ins that can deliver a more productive experience in Outlook? Check out this session, and get ready to make mail better through add-ins. In this session “Advanced Office Add-in Development with Outlook”, you can learn how…


SARA Tool & investigation: How to use SARA tool to troubleshoot Outlook?

This series is intended to provide you with technical support insights and proactive guidance for Office 365. This Video Series made by Office 365 support engineers to empower users to learn more about Office 365.       Have you ever had issues on outlook? Have you ever been in a situation where you are…