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Outlook - Microsoft 365 Developer Blog

MIME format support for Outlook mail and attachments, translate item ID APIs are now available in Microsoft Graph v1.0

September 24, 2019 Sep 24, 2019 09/24/19
Sivaprakash Saripalli
You can now use these Outlook APIs in Graph v1.0 to implement production apps that require access to the raw contents of an email message or an attachment. You can download file attachments in binary format or item attachments in MIME format. Also, you can translate the format of identifiers of multiple resources by specifying the source and target ID types.

End of support for Basic Authentication access to Exchange Online API’s for Office 365 customers

September 20, 2019 Sep 20, 2019 09/20/19
Sivaprakash Saripalli
Today, we are announcing that on October 13th, 2020 we will stop supporting and retire Basic Authentication for Exchange Active Sync (EAS), Post Office Protocol (POP), Internet Message Access Protocol (IMAP), and Remote PowerShell (RPS) in Exchange Online. This means that new or existing applications using one or more of these API’s/protocols will not be able to use Basic Authentication when connecting to Office 365 mailboxes or endpoints and will need to update how they authenticate.

New Microsoft 365 E5 subscription with EMS now available for developers

August 29, 2019 Aug 29, 2019 08/29/19
Michael Aldridge
Starting this week, all new members of the Office 365 Developer Program (including Visual Studio Professional and Enterprise members) can sign up for a Microsoft 365 E5 developer subscription (Windows not included). This replaces the Office 365 E3 developer subscription that we made available starting in March 2018.

Microsoft Graph Sample Data Packs Now Available in Office 365 Developer Program

August 20, 2019 Aug 20, 2019 08/20/19
Michael Aldridge
Today we’re excited to announce the launch of two sample data packs to help remove this pain point with basic automated sandbox creation: Users - Includes fictitious users, metadata, and photos to simulate a small corporate environment of 16 users. Mail & Events (to be installed after Users) - Populates Outlook email conversations and calendar events for each of the 16 sample users.

Mail Search folder support for Microsoft Graph APIs

June 11, 2019 Jun 11, 2019 06/11/19
Sivaprakash Saripalli
Today we’re announcing the release of mail search folder APIs to the Microsoft Graph v1.0 endpoint. A mail search folder is a virtual folder in the user's mailbox that contains all the email items matching a specified search criterion. A Microsoft Graph app can use this feature to quickly fetch all emails that match a predefined search criterion.