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Beta Outlook API throttling limits deploying to v1.0 on Microsoft Graph – May 2020

Over a year ago, we announced new Outlook API throttling limits on the Microsoft Graph beta endpoint. We wanted to give developers a "heads-up" that we are planning to deploy these same limits to the v1.0 endpoint (as well as the v2.0 endpoint of the Outlook REST API). This change will begin deploying on June 1, and should be fully deployed to all tenants by mid-June.
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What’s new for change notifications and change tracking in Microsoft Graph – May 2020

Change notifications uses webhooks to let applications to get notified about changes in Microsoft Graph resource data such as Outlook messages or OneDrive files. Change tracking uses delta queries to let applications discover newly created, updated, or deleted entities without performing a full read of the target resource with every request. Over the last few
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Announcing OAuth 2.0 support for IMAP, SMTP client protocols in Exchange Online

Announcing the availability of OAuth 2.0 authentication for IMAP, SMTP AUTH protocols to Exchange Online mailboxes.
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Titus Classification for Outlook on the web built on the Office Add-in platform

Titus Classification for Microsoft Outlook on the web is a security and governance add-in that enables organizations to ensure consistent and prudent handling of Outlook emails in real time.
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Postponed- iCalUId update on Microsoft Graph

In a blog post dated February 25, 2020, we announced plans to update  iCalUId on Microsoft Graph to make it adhere to its industry definition.  Since then, many of our customers’ priorities have changed in response to the COVID-19 crisis.  As a result, we have decided to postpone making this update. We will provide the
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Outlook API Public Preview Announcement – April 2020

This post announces a couple of Outlook add-ins API features that were introduced in preview as of April 2020.
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Deferred end of support date for Basic Authentication in Exchange Online

Last year we announced end of support for Basic Authentication for Exchange Web Services (EWS), Exchange Active Sync (EAS), Post Office Protocol (POP), Internet Message Access Protocol (IMAP), and Remote PowerShell (RPS) in Exchange Online. In response to the COVID-19 crisis and knowing that priorities have changed for many of our customers we have decided to postpone disabling Basic Authentication
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Office Add-ins community call – March 11, 2020

March’s Office Add-ins community call, covers new features for task pane, enabling or disabling ribbon buttons. Item send event for Outlook and scenarios for using it. New custom error handling abilities for custom functions.
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Accessing Outlook items in a user’s archived, shared or delegated mailboxes using Microsoft Graph

We have noticed that a few customers are unsure about the right way to access Outlook messages and contacts in mailboxes other than the signed-in user’s primary mailbox (archive, delegated, or shared mailboxes). For example, some customers use one of the following API URLs to access Outlook items in another mailbox, using the item ID
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Microsoft Graph calendar events – iCalUId Update

The iCalUId returned by the Calendar event resource type in Microsoft Graph is defined as a unique, read-only identifier that is shared by all instances of an event across different calendars. It adheres to the RFC iCalendar specification of UID.
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