What's New in Microsoft 365 - Friday, September 11, 2026

Copilot Studio Blog

Build business apps with Copilot Cowork and Copilot Studio

AI is changing who can build software. People who could never write code can now describe an idea and generate a working application in minutes, using any number of agentic coding solutions. But gener . . .

Thursday, September 10, 2026

Microsoft 365 Blog

ESPC 2026 is coming to Amsterdam: Bringing Microsoft and the community together

This November, the European Microsoft community comes together for four high-energy days of ideas, innovation, and connection. From November 30 to December 3, 2026 , the ESPC Microsoft 365 and AI Conf . . .

Thursday, September 10, 2026

Microsoft OneDrive Blog

NOW ON DEMAND | OneDrive Office Hours | August 2026

Get ready for the August 2026 OneDrive Customer Office Hours! This session creates space for open conversation around the latest updates and how they support the way you use your files every day. In t . . .

Wednesday, September 09, 2026

Microsoft 365 Insider Blog

6 Python in Excel techniques worth stealing from an Excel champion

Excel has more in it than most people ever go looking for, and Python in Excel is a good example. If you associate code in Excel with VBA, this is a very different thing: Python goes straight into you . . .

Thursday, September 10, 2026

Skype for Business Blog

Released: September 2026 Skype for Business Server Security Updates

Microsoft has released Security Updates (SUs) for vulnerabilities found in:

Skype for Business Server Subscription Edition (SE) Skype for Business Server 2019 Skype for Business Server 2015

SUs ar . . .

Tuesday, September 08, 2026

Exchange Team Blog

Released: September 2026 Exchange Server Security Updates

Microsoft has released Security Updates (SUs) for vulnerabilities found in:

Exchange Server Subscription Edition (SE) Exchange Server 2019 Exchange Server 2016

SUs are available for the following sp . . .

Tuesday, September 08, 2026

Exchange Server AD FS Modern Authentication: Expanded Outlook client support

We are pleased to announce expanded Outlook client support for Exchange Server AD FS Modern Authentication. In our previous update, we announced broad Outlook for Windows/Mac support and support for t . . .

Tuesday, September 08, 2026

Microsoft SharePoint Blog

SharePoint AI page authoring: Select, describe, and refine

Creating and refining SharePoint pages is becoming more intuitive. Instead of describing where content lives on the page, authors can now simply select a section or web part and tell Copilot what they . . .

Thursday, September 10, 2026

Viva Engage Blog

Upcoming Webinar: Starting Point - First 30 days with Viva Engage

If your organization already works in Microsoft Teams, Viva Engage can feel like one more place to post. Engage gives leaders, communicators, community managers, and employees a place for conversation . . .

Thursday, September 10, 2026

Access Blog

Fixes in Microsoft Access – Version 2608 (Build 16.0.20326.20100)

Important update: A regression introduced by an earlier security update could cause labels, text boxes, combo boxes, and other controls to lose their fonts, colors, or styles after printing or preview . . .

Wednesday, September 09, 2026

Power BI Updates Blog

Power BI Q&A retirement reminder: February 2027 timeline update

In December, we announced the retirement of Power BI Q&A, our legacy natural-language querying experience, with retirement planned for December 2026. To give current Q&A user’s additional time to asse . . .

Thursday, September 10, 2026

Microsoft Security Blog

Protecting organizations from AI-assisted executive impersonation and invoice fraud

In this article Attack chain overview Email Delivery Domain registration Generative AI usage Mitigation and protection guidance Microsoft Defender detections Microsoft Security Copilot Threat intellig . . .

Thursday, September 10, 2026

Detect and disrupt AI-themed attacks with Microsoft Defender

Every wave of technology excitement creates a new opportunity for cyberattackers, and AI is no exception. Microsoft Threat Intelligence has published research showing a growing set of campaigns that i . . .

Thursday, September 10, 2026

Threat Matrix: Mapping threats across cloud web applications

In this article Overview Technique Catalog Privilege Escalation Mitigation and protection guidance References Learn more Microsoft introduces the cloud web applications threat matrix, a MITRE ATT&CK-a . . .

Wednesday, September 09, 2026

In this article Attack chain overview Attribution Mitigation and protection guidance Learn more Microsoft Security Research is tracking active cloud-based intrusions spanning multiple accounts in whic . . .

Wednesday, September 09, 2026

Microsoft Azure Blog

Microsoft named a Leader in the 2026 Gartner® Magic Quadrant™ for Container Management

I am pleased to share that Microsoft has been named a Leader in the 2026 Gartner® Magic Quadrant™ for Container Management, positioned furthest to the right on Completeness of Vision. We believe this . . .

Thursday, September 10, 2026

AI agent governance: How to measure AI value and ROI

This blog post is the fourth and final installment of The Economics of Agent Optimization , which shares the strategies, capabilities, and proof points that can help you optimize agent costs and run A . . .

Thursday, September 10, 2026

Resiliency and recovery readiness begin with modernization

Why infrastructure resiliency is essential for modern applications and AI workloads Organizations today face constant pressure to modernize; business-critical applications are being transformed, AI wo . . .

Thursday, September 10, 2026

How to choose between two-zone and three-zone Azure architectures

Takeaway: Zone resiliency isn’t a single number you apply to a whole workload. The useful question isn’t “how many zones?” but “how many zones does each component need to survive the loss of one?” Dec . . .

Wednesday, September 09, 2026

Beyond the benchmark: How an adaptive approach drives scientific discovery

For research and development (R&D) organizations, the promise of agentic AI is not a better one-time answer. It is a new way to explore complex scientific and engineering problems: pursuing multiple h . . .

Tuesday, September 08, 2026

Microsoft Foundry Blog

Voice to Chat Best Practice for Call Centre Use Cases

The model is the easy part Whisper stays popular for a reason its accuracy score does not show. It was pretrained on large scale multilingual data and reaches up to 99 languages, which matters more in . . .

Thursday, September 10, 2026

Can a Harmless Prompt Break an AI Guardrail?

Tamara Gaidar, Senior Data Scientist, Microsoft Security Research Team Maor Nissan, Principal Data Scientist, Microsoft Security Research Team About this two-part series At BlueHat IL 2026 we put a gu . . .

Wednesday, September 09, 2026