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GPT-6.1 Sol and Claude Sonnet 5.5 available in Copilot

GPT-6.1 Sol and Claude Sonnet 5.5 available in Copilot

Introduction Microsoft Copilot has been rolling out, since September 30, 2026, two new frontier models : GPT-6.1 Sol from OpenAI and Claude Sonnet 5.5 from Anthropic. This rollout f

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OpenAI unveils GPT-6.1 Sol

OpenAI unveils GPT-6.1 Sol

Introduction OpenAI announced, at DevDay 2026 on September 29, 2026, GPT-6.1 Sol, an improved version of GPT-6 Sol that closes the gap with GPT-6 Astra on agentic coding, computer

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Status update on restoring a destroyed Microsoft 365 tenant

Status update on restoring a destroyed Microsoft 365 tenant

Introduction Backing up a single Microsoft 365 workload is a solved problem. Restoring a complete tenant after an attack that destroys both data and configuration is not. The question is

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Anthropic unveils Claude Sonnet 5.5

Anthropic unveils Claude Sonnet 5.5

Introduction Anthropic announces Claude Sonnet 5.5, the second model in the Claude 5.5 family after Opus 5.5. The model generates responses more than 30% faster than Sonnet 5 and

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End of most Azure Communication Services in 2028

End of most Azure Communication Services in 2028

Introduction Microsoft published the "Retirement and breaking changes guide for Azure Communication Services" (ACS) on Microsoft Learn, with no Tech Community announcement or asso

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Mistral and Mozilla bring AI to the Firefox browser

Mistral and Mozilla bring AI to the Firefox browser

Introduction Mistral AI and Mozilla announce a partnership to integrate Mistral models into Firefox Smart Window, Mozilla's AI browsing assistant, currently in beta. The stated goal

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Teams adds message reminders

Teams adds message reminders

Introduction Microsoft Teams is introducing Remind Me, a reminder option for chat and channel messages, with the announcement MC1470887 (roadmap item 565869). The Targeted Release

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Anthropic unveils Claude Opus 5.5

Anthropic unveils Claude Opus 5.5

Introduction Anthropic announces Claude Opus 5.5, the first model in the new Claude 5.5 family. It performs at the level of Claude Fable 5.1 on most tasks, at a cost 40% lower than

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Teams limits transcript access via Graph

Teams limits transcript access via Graph

Introduction Microsoft introduced a control that limits Microsoft Graph applications' and agents' access to Teams meeting transcripts, with the announcement MC1393806. This control

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OpenAI launches Astra for Law, an AI foundation for legal work

OpenAI launches Astra for Law, an AI foundation for legal work

Introduction OpenAI announces Astra for Law, a foundation that lets law firms and legal technology companies build AI products and workflows around their expertise. The offering combine

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Simultaneous dual-presenter screen sharing in Teams

Simultaneous dual-presenter screen sharing in Teams

Introduction Microsoft is developing a feature that lets two presenters share their screen or a window at the same time in a Teams meeting, referenced under roadmap item 80239. Genera

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How to enable call history for Teams auto attendants

How to enable call history for Teams auto attendants

Introduction Shared voicemail for an auto attendant used to be confined to Outlook or the Teams channel of the associated Microsoft 365 group. The Teams Queues App now makes it viewab

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Mandatory consent before joining a Teams meeting

Mandatory consent before joining a Teams meeting

Introduction Microsoft Teams is introducing mandatory consent before entering a meeting, with the announcement MC1454114. Administrators can now require every participant to accept cust

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PowerShell Teams module updated to version 8.0.0

PowerShell Teams module updated to version 8.0.0

Introduction Microsoft recently released the new version 8.0.0 of the PowerShell module for Microsoft Teams.Installation You can check the version of the installed module via t

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Why a Purview DLP policy takes days to activate

Why a Purview DLP policy takes days to activate

Introduction A DLP (Data Loss Prevention) policy that shows "sync complete" in the Purview portal can still take several days before it actually blocks anything. The lag isn't an is

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How to enforce email confidentiality in Exchange

How to enforce email confidentiality in Exchange

Introduction The "Private" sensitivity level in Outlook is a property of the message. In transit, it is represented by the SMTP header "Sensitivity: Private", which Exchange maps to the

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Entra Connect Sync update required before September 30, 2026

Entra Connect Sync update required before September 30, 2026

Introduction All synchronization services in Microsoft Entra Connect Sync will stop working on September 30, 2026 for tenants not on at least version 2.5.79.0. This version, released in

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Teams tightens the rules for onmicrosoft.com tenants

Teams tightens the rules for onmicrosoft.com tenants

Introduction Microsoft is introducing an outbound external messaging limit in Teams for tenants that only use their default onmicrosoft.com domain (MOERA). The rollout begins mid-Se

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GPT-6 Astra available in Copilot

GPT-6 Astra available in Copilot

Introduction GPT-6 Astra joins the frontier models available in Copilot Cowork and Copilot Studio, five days after its launch by OpenAI. The rollout began on September 4, 2026. Che

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OpenAI unveils GPT-6 Astra

OpenAI unveils GPT-6 Astra

Introduction OpenAI announces GPT-6 Astra, presented as its most intelligent and best-aligned model to date. Astra saturates several reference benchmarks : 98% on FrontierMath Tier 4,

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