Exchange Online

Exchange Online Roadmap 2025-2029 Updated: May 15, 2025 Exchange Online should be the default choice for upgrades to current Exchange Server systems Shutdowns...more Exchange Online to Block Basic Senders in Sept. 2025 May 6, 2025 Exchange Online will block Basic Authentication for SMTP client submission beginning in Sept. 2025.  The...more Directory Ties Cloud Customers to Exchange Server April 27, 2025 Customers who move all their mailboxes into Exchange Online may still need Exchange servers to...more Legacy Outlook for Mac Phaseout Starts Oct. 2025 Updated: March 11, 2025 Customers should migrate their Macs off legacy Outlook as soon as possible if they access...more New Limit on M365 Mail Starts May 2025 Updated: March 6, 2025 Exchange Online will enforce a tenant-level limit on the number of external recipients contacted every...more Exchange Online Blocks Legacy Senders Updated: February 24, 2025 The Exchange Online cloud service progressively throttles, then blocks, mail connections with “persistently vulnerable” Exchange...more Targeting Trouble Spots in New Outlook Updated: November 26, 2024 New Outlook eliminates some longtime Outlook features and could disrupt some business processes and mail-enabled...more New Outlook Rollout: Two Scenarios Updated: July 30, 2024 Microsoft 365 Apps for enterprise customers have at least two years, probably longer, before they...more Targeting Trouble Spots in the New Outlook Updated: July 22, 2024 July 17, 2024: Microsoft has announced more detailed plans for new Outlook. See “New Outlook:...more Places Is Behind Closed Doors, for Now Updated: May 14, 2024 Update: Places is available in public preview as of May 13, 2024, with general availability...more Scheduling Darwin Lineup Updated: April 27, 2024 Several scheduling extensions have come and gone for Exchange and Outlook users. The accompanying chart...more Microsoft 365 Backup Offers Long-Awaited but Limited Utility Updated: February 26, 2024 Microsoft 365 Backup, a paid preview service, enables customers to back up and restore data...more Evaluating Microsoft 365 Collaboration Services Updated: December 17, 2023 Several Microsoft 365 services allow communication and content sharing between users so they can collaborate....more Exchange Online Shutdowns Through 2023 Updated: November 28, 2023 Service shutdowns and software support terminations are coming to Exchange Online through the end of...more Exchange Online Cuts Off Some Clients in Oct. 2020 Updated: November 27, 2023 Exchange Online will cut off basic authentication in the second half of 2021 for many...more Collaboration Roadmap Update Updated: November 27, 2023 Microsoft has focused its collaboration offerings around Office 365 Groups. Teams has become the leading...more