Outlook on the web: New setting to use data classification services for DLP evaluation
OWA DLP evaluation shifts from Exchange to Data Classification Services
DLP-Bewertung in OWA wechselt von Exchange zu Data Classification Services
Exchange Online — Microsoft 365 changes — page 2/2
94 Microsoft 365 Message Center announcements and curated “What’s new” posts for Exchange Online, newest first. Services covered include Exchange Online, Microsoft Defender XDR, Microsoft Purview, Microsoft Teams, Microsoft 365 suite, Microsoft 365 apps, TECHCOMMUNITY.MICROSOFT.COM, Microsoft Bookings. Each entry links to the change page with an AI summary (English/German), the rollout dates and the full Microsoft text.
(Updated) New Outlook for Windows: LDAP support for S/MIME certificate lookup
LDAP certificate lookup for S/MIME enabled in Outlook
LDAP-Zertifikatsuche für S/MIME in New Outlook aktiviert
(Updated) Planner is now available in Outlook and Microsoft 365 Copilot
Planner now available in Outlook and Copilot
Planner verfügbar in Outlook und Copilot
(Updated) 2026 Microsoft 365 Packaging Update
Packaging update enables security features and increases storage
Paketupdate aktiviert Sicherheitsfeatures und erhöht Speicher
Microsoft Exchange Online: Upcoming secure-by-default changes for Exchange APIs
New Graph permissions require admin approval in default policy
Neue Graph-Rechte erfordern Admin-Zustimmung in Standard-Policy
Default compose font: Administrators can allow users to change the default font in Outlook for iOS and Android
Intune policy keys for font customization control
Neue Intune-Schlüssel für Schriftart-Konfigurationssteuerung
Onmicrosoft.com outbound email sending limit
Onmicrosoft.com email sending capped at 100 daily messages
onmicrosoft.com-Mail-Senden limitiert auf 100 Nachrichten täglich
Change Optics report for Exchange Online begins public preview
Exchange Online change monitoring reporting activated
Change-Optics-Bericht für Exchange Online aktiviert
(Updated) Exchange Online: Retirement of legacy TLS versions for POP and IMAP connections
Exchange POP/IMAP TLS 1.0/1.1 support deprecated
TLS 1.0/1.1 für Exchange POP/IMAP werden abgeschaltet
(Updated) Microsoft Defender for Office 365: Enhancing how we handle promotional mail
Promotional email is tagged as ‚promotions‘ and automatically filtered.
Werbemails werden als ‚Promotions‘ klassifiziert und automatisch gefiltert.
Top domain mail flow report in Exchange Online is retiring
Top domain mail flow report removed from Exchange Admin Center
Top-Domain-Mailflow-Bericht im Exchange Admin Center wird entfernt
Action Required: Update active Exchange Web Services Applications
2026 EWS shutdown forces active application migration
EWS-Deaktivierung 2026 zwingt zur Migration aktiver Anwendungen
Action Required: Update active Exchange Web Services Applications
EWS applications must migrate or shut down by October 2026.
EWS-Apps müssen bis Oktober 2026 migriert oder stillgelegt werden.
Action Required: Update active Exchange Web Services Applications
EWS shutdown October 2026 demands migration or disablement
EWS-Blockung 2026 erfordert Migration oder Deaktivierung
Action Required: Update active Exchange Web Services Applications
EWS shutdown in 2026 necessitates application migration
EWS-Blockung 2026 erfordert Migration aktiver Anwendungen
Action Required: Update active Exchange Web Services Applications
EWS applications blocked October 2026 - migration required
EWS-Anwendungen werden 2026 blockiert und benötigen Migration
Action Required: Update active Exchange Web Services Applications
EWS block mandatory in 12 months
EWS-Blockierung zwangsläufig in 12 Monaten
(Updated) Retirement of -Credential parameter when connecting to Exchange Online PowerShell
-Credential parameter removal requires migration
-Credential-Parameter wird entfernt, Migration erforderlich
(Updated) Outlook: Share Word, Excel and PowerPoint local files via the new Outlook for Windows
Local Office file attachments now available in new Outlook
Lokale Office-Anhänge jetzt direkt in neuem Outlook möglich
Resuming rollout of Exchange Online tenant outbound email limits for tenants with more than 500 email licenses
TERRL email limits restart for tenants with >500 licenses
TERRL-Limitierung für große Tenants mit >500 Lizenzen wird wieder umgesetzt
(Updated) Outlook: Delimiter setting admin policy
Organization-wide management of comma character for email recipient separation
Organisationsweite Kontrolle über Kommasetzung als E-Mail-Empfänger-Trennzeichen
(Updated) Moderation approvals now available across Outlook apps
Adaptive card-based moderation approvals require M365
Moderation-Approvals über Adaptive Cards mit M365-Anforderung
(Updated) Change meeting organizer via PowerShell cmdlet in Exchange Online
PowerShell command for meeting organizer transfers in Exchange
PowerShell-Befehl zur Organisator-Übertragung in Exchange Online
Exchange Web Services (EWS) retirement update
EWS phased retirement impacts Exchange Online
EWS wird in Exchange Online phasenweise deaktiviert
Outlook Web App: OneView and TrueTime features will retire
OWA: OneView/TrueTime features deprecated
Outlook Web App: OneView/TrueTime-Funktionen werden entfernt
Action Required: Update active Exchange Web Services Applications
EWS applications need immediate updating
EWS-Anwendungen benötigen dringendes Update
Action Required: Update active Exchange Web Services Applications
Active EWS applications must be updated
Aktualisierung aktiver EWS-Anwendungen erforderlich
Action Required: Update active Exchange Web Services Applications
EWS apps need security update
EWS-Anwendungen benötigen Sicherheitsaktualisierung
Action Required: Update active Exchange Web Services Applications
Active EWS applications must be updated
Aktualisierung aktiver EWS-Anwendungen erforderlich
Action Required: Update active Exchange Web Services Applications
EWS update task for authorized admins
EWS-Update für berechtigte Benutzer
Action Required: Update active Exchange Web Services Applications
EWS apps need security update
EWS-Anwendungen benötigen Sicherheitsaktualisierung
Action Required: Update to EWS Access for Kiosk / Frontline Worker Licensed Users
EWS access policy changed for frontline licenses
EWS-Zugriff für Frontline-Lizenzen wird restriktiver
(Updated) Microsoft 365: Enrich profile cards with custom properties from third-party systems
Extended profile cards with external user attributes
Profilkarten erweitert um externe Benutzerdatenfelder
(Updated) Update to EWS Access for Kiosk / Frontline Worker Licenses
Enhanced EWS access restrictions applied
EWS-Blockierung für ausgewählte Lizenzen gestartet
Action Required: Update active Exchange Web Services Applications
EWS apps will be blocked in 2026 and must migrate or shut down.
EWS-Anwendungen werden 2026 blockiert und müssen migriert oder deaktiviert werden.
Action Required: Update active Exchange Web Services Applications
EWS blocking begins October 2026, requiring API migration
EWS wird 2026 blockiert, Migration zu alternativen APIs erforderlich
Action Required: Update active Exchange Web Services Applications
EWS shutdown October 2026 necessitates application migration
EWS-Blockierung 2026 erfordert Migration aktiver Anwendungen
Action Required: Update active Exchange Web Services Applications
EWS deprecation forces API migration
EWS-Blockierung erzwingt Migration auf moderne APIs
Action Required: Update active Exchange Web Services Applications
EWS apps blocked — migration required
EWS-Anwendungen blockiert — Migration notwendig
Usage Detected - Basic Auth with SMTP AUTH
SMTP AUTH Basic Authentication being phased out
Basic Auth mit SMTP AUTH wird permanent deaktiviert
Action Required: Update active Exchange Web Services Applications
EWS apps in your tenant require migration before Q4 2026
EWS-Apps in Ihrem Mandat benötigen Migration bis Q4 2026
(Updated) Action Required: Update active Exchange Web Services Applications
EWS apps disable, migration to Graph API required
EWS-Anwendungen deaktivieren, Migration auf Graph API notwendig
Limiting onmicrosoft domain usage for sending emails
Outbound email limits now enforce 100 messages maximum per domain/24hours
Outbound-Mail-Volumen auf Standard-Domains jetzt auf 100 Nachrichten/24h begrenzt
(Updated) Retirement of Exchange Web Services in Exchange Online
EWS API shutdown enforced October 2026 with ongoing security support
EWS-Blockierung 2026 mit fortlaufender Sicherheitsunterstützung