Microsoft 365 Developer Blog
A developer platform for building collaborative apps for hybrid work
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New SharePoint CSOM version released for SharePoint Online – December 2018
We are happy to announce the availability of new SharePoint Client-Side Object Model (CSOM) version targeted for the Office 365 or more specifically for SharePoint and Project Online. December 2018 release.

Site Scripts & Site Designs – Fall 2018 Update
As we move into summer, we are pleased to announce the availability of additional Site Script actions and capabilities for Site Designs. These new actions are designed to facilitate the programmatic configuration of common site settings and elements – and can be applied both manually through PowerShell or integrated into the SharePoint Online self-service site creation experience.

Modernize your SharePoint pages
SharePoint Online is continuously evolving and improving, which is a great thing for you as a consumer of the service. One of the key features is the availability of modern sites, which are modern Office 365 group-connected team sites or communication sites, combined with improved functionality that can be consumed from a beautiful, responsive, modern user interface. All of this is great, but you might ask yourself, I have lots of classics (team) sites...how do I bring them into the modern SharePoint world? The answer is (in-place) modernization: you can fully transform (or "modernize") a classic site team sites ...

SharePoint Development Community (PnP) – December 2018 update
SharePoint Dev Ecosystem / SharePoint Patterns and Practices (PnP) December 2018 update is out with a summary of the latest guidance, samples, and solutions from SharePoint engineering or from the community for the community. This article is a summary of all the different areas and topics around SharePoint Dev ecosystem during the past month.

Join in the Microsoft Graph Security Hackathon!
Join Microsoft Graph Security Hackathon - an opportunity to make a positive impact on the cybersecurity industry and win* awesome prizes!

New SharePoint CSOM version released for SharePoint Online – November 2018
We are happy to announce the availability of new SharePoint Client-Side Object Model (CSOM) version targeted for the Office 365 or more specifically for SharePoint and Project Online. This was mainly a small maintenance release with minimal updates on the CSOM API surface.

30DaysMSGraph – Day 30 – Community resources and next steps
In Day 29 we uploaded files to OneDrive with Microsoft Graph requests. Today we wrap up this 30 Days of Microsoft Graph series with a few community resources, ask for your feedback, and share a few next steps.

30DaysMSGraph – Day 29 – Use case: Upload files to OneDrive
In Day 28 we created a webhook notification for Microsoft Graph events. Today we will interact with files stored in OneDrive.

Outlook REST API v1.0 BasicAuth Deprecation
Last year, we announced that on November 2018, we will stop supporting Basic Authentication in the Office 365 Outlook REST API v1.0 and this is a follow up announcement to reiterate that we will be decommissioning Basic Authentication in Outlook REST API v1.0 this month.