Microsoft's Fix for Broken Exchange Online EWS Apps: What You Need to Know

Emily Davis · 2026-10-22

If you're an IT admin, you've probably felt that sinking feeling when an app suddenly stops working. Well, Microsoft just threw a lifeline for those struggling with broken Exchange Online EWS apps. They've announced that you can re-enable the retired Exchange Web Services (EWS) API in Exchange Online to get those apps back up and running. But what does this mean for you? Let's break it down. ### What Exactly Happened to EWS? Microsoft retired the EWS API in Exchange Online, which caught many off guard. EWS has been a staple for custom apps and third-party integrations for years. So when it was retired, apps that relied on it just stopped working. No warning, no easy fix—until now. Microsoft's solution? Re-enable EWS. But it's not a permanent fix; it's more like a temporary bandage while you migrate to something more modern. ### How to Re-enable EWS in Exchange Online Re-enabling EWS is straightforward, but you need to have the right permissions. Here's the gist: - Connect to Exchange Online PowerShell. - Run the command: `Set-OrganizationConfig -EwsEnabled $true`. - Wait for the change to propagate (it can take up to 30 minutes). - Test your EWS apps to ensure they're working. But hold on—this isn't a set-it-and-forget-it solution. Microsoft is clear that this is a temporary measure. You'll need to plan your migration to Microsoft Graph or other supported APIs. Think of it as a stay of execution, not a pardon. ### Why This Matters for Antidetect Browser Users Now, you might be wondering what this has to do with antidetect browsers. Well, many antidetect browser setups rely on custom scripts and integrations that might use EWS for email-related tasks. If you're managing multiple profiles and automating email workflows, a broken EWS could throw a wrench in your operations. Re-enabling EWS gives you breathing room to update your scripts or switch to a more robust solution like Microsoft Graph. > "Re-enabling EWS is like putting a spare tire on your car—it gets you moving again, but you still need to fix the flat." – Emily Davis, Head of Digital Privacy and Antidetect Browser Solutions ### The Clock Is Ticking Microsoft hasn't given a hard deadline for when they'll permanently disable EWS again, but you shouldn't wait. Start planning your migration now. If you're using antidetect browsers for managing multiple accounts, consider integrating with APIs that are built for the long haul. Microsoft Graph is the obvious choice, but there are other options depending on your needs. ### Final Thoughts Microsoft's decision to allow re-enabling EWS is a welcome reprieve for IT admins and antidetect browser professionals alike. It buys you time to transition smoothly. But don't get too comfortable—this is a temporary fix. Use this window to modernize your integrations and ensure your workflows are future-proof. After all, in the world of digital privacy and antidetect browsers, staying ahead of the curve is everything.