Shared team calendars living in Exchange Online (Microsoft 365 cloud) public folders are on borrowed time. Starting October 1st, 2026, Microsoft begins switching EWS off in Exchange Online, tenant by tenant, and on April 1st, 2027, it is fully and permanently disabled, with the tenant-level switch itself removed. Public folders are the sharpest edge of…
If your team keeps a company contact list in an Exchange Online (Microsoft 365) public folder, the clock is running. Starting October 1st, 2026, Microsoft begins switching EWS off in Exchange Online, tenant by tenant, and on April 1st, 2027, it is fully and permanently disabled, with the tenant-level switch removed. That matters for public…
Microsoft is retiring Exchange Web Services (EWS) in Exchange Online (Microsoft 365 cloud), and the first deadline is days away. If your organization relies on an app that syncs mail, calendars, tasks, or contacts over EWS, you can keep it running until the final shutdown with a short PowerShell change. Here’s what’s happening and how…
If you use SyncPenguin to keep your contacts, calendar meetings, or tasks in sync between Exchange/Outlook and other platforms, this post explains an important change happening under the hood – and a small action some of the customers will need to take to keep their sync running smoothly. Note: this only relates to customers who…