Microsoft Exchange

The official Twitter account for Microsoft Exchange. This is not a support account. For support, contact @MicrosoftHelps or visit

[Microsoft Exchange @MSFTExchange]

Released: August 2026 Exchange Server Security Updates | Microsoft Community Hub https://t.co/im7mG3jasV

[Microsoft Exchange @MSFTExchange]

Cross-tenant Free/Busy, MailTips, and Calendar Sharing are moving to Cross-Tenant Access Policy | Microsoft Community Hub https://t.co/p3Q3mdUxJX

[Microsoft Exchange @MSFTExchange]

Writeback for Cloud-Managed Remote Mailboxes: Now Generally Available | Microsoft Community Hub https://t.co/09g0PMSJGa

[Microsoft Exchange @MSFTExchange]

Reminder: Exchange 2016 and 2019 ESU Program Ends in October 2026 | Microsoft Community Hub https://t.co/ylyIFdt5Eu

[Microsoft Exchange @MSFTExchange]

Released: July 2026 Exchange Server Security Updates | Microsoft Community Hub https://t.co/32bkxBG0m2

[Microsoft Exchange @MSFTExchange]

Cross-Tenant Message Recall in Exchange Online | Microsoft Community Hub https://t.co/9huOkcPSB7

[Microsoft Exchange @MSFTExchange]

Upcoming retirement of OWA Light in Exchange Server | Microsoft Community Hub https://t.co/rhc7mHZZnB

[Microsoft Exchange @MSFTExchange]

Introducing EWSAllowedAppIDs: Preparing for the Final Phase of EWS Retirement | Microsoft Community Hub https://t.co/SjOSgoXjR5

[Microsoft Exchange @MSFTExchange]

Released: June 2026 Exchange Server Security Updates | Microsoft Community Hub https://t.co/A0jvbM2JYF

[Microsoft Exchange @MSFTExchange]

How to determine which Resource Mailboxes are being actively used | Microsoft Community Hub https://t.co/XLY9voPQjF

[Microsoft Exchange @MSFTExchange]

Replacing IIS SMTP virtual server with Exchange Edge Transport | Microsoft Community Hub https://t.co/d5Hbot7Ro3

[Microsoft Exchange @MSFTExchange]

Writeback for Cloud-Managed Remote Mailboxes: Now in Public Preview | Microsoft Community Hub https://t.co/GURdFR0b1Z

[Microsoft Exchange @MSFTExchange]

Addressing Exchange Server May 2026 vulnerability CVE-2026-42897 | Microsoft Community Hub https://t.co/XnocIkjbNe

[Microsoft Exchange @MSFTExchange]

No Exchange Server Security Updates for May 2026 | Microsoft Community Hub https://t.co/5sqYkpEhVw

[Microsoft Exchange @MSFTExchange]

Retirement of Direct Exchange ActiveSync Certificate-Based Authentication by End of 2026 | Microsoft Community Hub https://t.co/qdjdoqH2od

[Microsoft Exchange @MSFTExchange]

Released: May 2026 Exchange Server Hotfix Update | Microsoft Community Hub https://t.co/VXLSpiHquy

[Microsoft Exchange @MSFTExchange]

Update Your Exchange SE Hybrid On-premises Rich Coexistence to Graph | Microsoft Community Hub https://t.co/SAv9S5QWCN

[Microsoft Exchange @MSFTExchange]

General Availability of Mailbox Import and Export Microsoft Graph APIs | Microsoft Community Hub https://t.co/DH6RnoQp4u

[Microsoft Exchange @MSFTExchange]

Deprecating Legacy TLS and Endpoints for POP and IMAP in Exchange Online | Microsoft Community Hub https://t.co/lwzZB24nWh

[Microsoft Exchange @MSFTExchange]

Modernizing DNS Security for Exchange Online Mail Flow | Microsoft Community Hub https://t.co/pQE4aPNT2u