Microsoft Teams | Chat by email: The danger of the "shadow guests"!
Microsoft is rolling out the "Start Chat with Email Address" feature in February 2026. On paper, this sounds harmless ... a Teams user types in an email address, and communication…
Tag: Microsoft 365
Schlagwort #Microsoft 365 — 54 Treffer — Alle Beiträge, die mit diesem Schlagwort versehen wurden – praktisch für Serienthemen, Tools, Releases und How-to-Cluster.
Microsoft Entra ID | New Revoke Sessions Button from February 2026
No more guesswork in the incident response case. Microsoft is finally cleaning up the Entra Admin Center and eliminating a historical legacy that has been annoying admins for year…
Microsoft Purview DLP | Secure Teams, SharePoint & OneDrive without an E5 license
You've defined your Mail DLP strategy in the last guide "Exchange Online: Blocking, Encrypting & Approving" and the basic foundation of your rules is in place. Now let's focus on …
Exchange Online | Microsoft overturns the External Recipient Limit!
On January 06, 2026, the Exchange team surprisingly put on the brakes. The planned introduction of the Mailbox External Recipient Rate Limit (MERR) has been officially canceled in…
Disable Microsoft 365 Copilot in the Office apps: Registry, GPO & Intune
The integration of Microsoft 365 Copilot does not take place via a single "off switch", but is deeply anchored in the DNA of Office applications. An administrator who wants to kee…
Microsoft Purview DLP | Lifecycle: Understanding, Evaluating and Automating Signals
DLP Incident LifecycleAnyone who activates DLP policies but ignores the alerts is engaging in compliance theater. A DLP system is not a static shield, but a sensor network that re…
Windows 11 | Disable Copilot, Recall & AI via GPO
What began as an optional feature in 2024 is now deeply anchored in the system's core: the Copilot is omnipresent. On modern hardware (Copilot+ PCs), Windows Recall is also availa…
Microsoft Purview DLP | Exchange Online: Block, Encrypt & Approve
Email is the dinosaur of digital communication – and despite Teams or Slack, it's still the number one gateway for data loss. Whether it's a wrong recipient in the "Cc", a thought…
Microsoft Purview DLP | Architecture & Strategy Guide
In the articles "Sensitivity Labels: Architecture & Practice" and "Automated Application of Sensitivity Labels", we looked at how you can classify data using sensitivity labels (t…
Microsoft 365 Price History | A chronology of costs (2011–2026)
Anyone who looks at Microsoft invoices today and compares them with 2021 often rubs their eyes in amazement. For more than a decade, Microsoft knew only one direction when it came…