Core News

Core Updates – December 2025

Written by Core Newsroom | Dec 15, 2025 9:24:12 AM

 

Latest Updates from Microsoft 365 Cloud Solutions

December 2025 brings a range of impactful updates across Microsoft 365 solutions, designed to enhance collaboration, productivity, and security.

Key highlights include improved external sharing and conversation tracking in Teams, streamlined scheduling with Outlook polls, advanced security automation through Copilot, and innovative video recaps for meetings.

Additionally, Microsoft Viva introduces enhanced metrics for Intelligent Recap, giving organisations deeper insights into meeting effectiveness.

 

Microsoft Teams

File and Loop Sharing with External Users

Description: Microsoft Teams now enables automatic sharing of files and Loop components in external 1:1, group, and meeting chats by default. This improves collaboration with external partners without manual permission changes.

Preview Date: October 2025

Rollout Date: General Availability begins mid-January 2026

Why it Matters:

  • External collaboration becomes frictionless, reducing delays and manual steps.
  • Admins can still control this via policy if needed. Use this to streamline projects involving external stakeholders.



New Follow Thread Feature

Description: A new ‘Follow thread’ option lets users follow posts from the Discover feed or Channels. Followed threads appear in a dedicated view in the Chat app, making it easier to track important discussions.

Preview Date: Mid-November 2025

Rollout Date: Early December 2025

Why it Matters:

  • Keeps you engaged with critical conversations without constant searching.
  • Ideal for busy teams managing multiple channels.

Microsoft Outlook

Native Polls Integration in Calendar

Description: Outlook now includes native polls in the calendar compose form, allowing organisers to propose multiple meeting times and gather attendee preferences—even from external participants without Microsoft 365 accounts.

Preview Date: Late October 2025

Rollout Date: Early December 2025

Why it Matters:

  • Simplifies scheduling and improves coordination for hybrid teams.
  • No need for third-party tools—polls are built right into Outlook.

Microsoft Copilot

Copilot Security Copilot Integration

Description: Security Copilot agents are now embedded into Microsoft 365 workflows for Defender, Entra, Intune, and Purview. These AI-powered agents automate threat detection and response, reducing manual effort for IT teams.

Preview Date: December 2025

Rollout Date: Rolling out now, with broader enhancements planned for 2026

Why it Matters:

  • Strengthens Zero Trust security
  • Automates routine security tasks, helping organisations stay protected while saving time.



Video Recaps in Copilot Chat

Description: Copilot Chat can now generate video recaps of recorded meetings. It extracts key topics from transcripts, adds AI-generated narration, and pairs them with 20–40 second video snippets highlighting impactful moments.

Preview Date: November 2025

Rollout Date: December 2025

Why it Matters:

  • Perfect for catching up quickly on missed meetings.
  • Saves time by providing concise, visual summaries instead of lengthy recordings.

Microsoft Viva

Copilot Dashboard – Updated Meeting Metrics for Intelligent Recap

Preview Date: The Copilot Dashboard now includes enhanced meeting metrics that combine summarised and recapped activities, replacing previous ‘Copilot Assisted Hour’ calculations. These updates provide a unified view of Intelligent Recap usage in Teams and are reflected in both the dashboard and the Microsoft 365 Copilot Impact report, with added query options for deeper insights.

Preview Date: Late September 2025

Rollout Date: Early December 2025

Why it matters:

  • Leaders and managers gain a more accurate picture of Copilot’s impact on meeting productivity.
  • By tracking summarised and recapped meeting hours, organisations can better understand adoption trends and optimise usage strategies.
  • Use this data to inform training, governance, and ROI analysis.

These updates reflect Microsoft’s continued commitment to empowering organisations with intelligent tools that simplify workflows and strengthen collaboration. By adopting these features, businesses can optimise communication, improve decision-making, and ensure robust security. Stay proactive- explore these capabilities and integrate them into your daily processes to maximise the value of Microsoft 365.

We look forward to working with you

Many organisations are underutilising their Microsoft licenses and are therefore wasting valuable income. If you need help utilising these latest developments or want to discuss your Microsoft licenses more widely, get in touch with us.

Kind regards,
Mhairi Nisbet
Customer Success Manager
 
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