https://www.bleepingcomputer.com/news/microsoft/microsoft-to-block-exchange-online-access-for-outdated-mobile-devices/
Microsoft announced on Monday that it will soon block mobile devices running outdated email software from accessing Exchange Online services until they're...
exchange onlinemobile devicesmicrosoftblockaccess
https://www.bleepingcomputer.com/news/microsoft/microsoft-exchange-online-outage-blocks-access-to-outlook-mailboxes/
Microsoft is investigating an Exchange Online service outage that is preventing customers from accessing their mailboxes using the classic Outlook desktop...
microsoft exchange onlineoutageblocksaccessoutlook
https://www.theinsaneapp.com/web-stories/microsoft-gives-final-warning-about-basic-auth-deprecation-in-exchange-online
Microsoft Gives Final Warning About Basic Auth Deprecation In Exchange Online
final warningbasic authmicrosoftgivesdeprecation
https://www.mass.gov/how-to/microsoft-exchange-online-plan-2-license
Request to add or remove a Microsoft Exchange Online Plan 2 license to an existing Microsoft Outlook Mailbox.
microsoft exchange onlineplanlicensemassgov
https://www.microsoft.com/en-ca/microsoft-365/exchange/exchange-email-security-spam-protection
Buy or try Exchange Online Protection for enterprise-class reliability, protection against malware and spam, and access to email in emergencies.
microsoft exchange onlineemail securityprotection
https://www.bleepingcomputer.com/news/microsoft/microsoft-exchange-online-outage-blocks-access-to-mailboxes-via-imap4/
Microsoft is working to fix an Exchange Online service outage that intermittently prevents users from accessing their mailboxes via the Internet Mailbox Access...
microsoft exchange onlineoutageblocksaccessmailboxes
https://support.microsoft.com/en-au/topic/can-t-view-online-user-free-busy-status-in-exchange-server-2019-and-2016-aa0b6b33-c31a-14aa-5d00-293150eb8d84
Can't view Online user free/busy status in Exchange Server 2019 and 2016
view onlineuserfreebusystatus