Struggling to access your Outlook inbox today? You're not alone.
Hundreds of Microsoft Outlook users have reported problems with the popular email client, as tracked by DownDetector. This independent website monitors the performance of online tools and services by monitoring social media for reports of issues from real users. In the last four hours, Outlook has seen a surge of reports.
At its peak, DownDetector was tracking 866 reports from Outlook users unable to access their inbox every minute.
Outlook users have flocked to social media websites, like X and Threads, to complain about the issues with Microsoft's immensely popular email client
|DOWNDETECTOR
Over half (59%) of all issues reported by disgruntled Outlook users today are related to logins, DownDetector data shows. The remaining complaints centre on the app and receiving emails, at 21% and 19%, respectively.
Microsoft has launched an investigation into an "unexpected increase" in errors for those trying to sign in to Outlook. Trying to launch the email app has resulted in error messages and unexpected logouts. Microsoft 365 Business and Enterprise customers seem to be the worst hit, with everyday users able to swerve the trouble.
According to the Microsoft 365 service status dashboard, everything outside of Outlook is working well.
Other Microsoft 365 apps should be working fine, with only Outlook experiencing issues
Outlook users have complained specifically about the iPhone app repeatedly asking for a password, leaving users in an endless loop trying to log in to the email service.
On X, formerly Twitter, the Microsoft 365 Status account — which posts about any issues that impact apps and services included with the Microsoft 365 suite of apps — shared: "We've discovered some users may experience intermittent sign‑in failures, including 'too many requests' errors, or unexpected sign‑outs. We're analysing service telemetry further to identify any potential next steps and mitigation actions."
It followed up this post with: "Upon reviewing service telemetry further, we've identified an unexpected increase in error rates affecting two separate error scenarios. We suspect this may be contributing to creating impact, and we're conducting additional analysis to confirm this."
On the Service Status dashboard, Microsoft has shared a little more information:
Users may experience issues accessing Outlook.com
User impact: Users may experience intermittent issues signing in to Outlook.com.
More info: Users may experience intermittent sign‑in failures, including “too many requests” errors or unexpected sign‑outs
Current status: We're reverting a recently introduced change to determine if this action provides relief from impact upon completion. In parallel, we're continuing to analyze customer reports, and we're closely monitoring service telemetry to identify our next steps and potential mitigation actions.
Outlook users have flooded X with complaints about the issues with the email client. One posted: "When will this be sorted I’ve got some urgent documents I need to view and sent. iPhone keeps asking for my password, I add the password which I know is correct. Yet says too many attempts which is incorrect."
"Please for the love of all thats good fix this. I keep getting locked out of my account because apparently some mysterious person(s) have tried too many times to login. Its infurirating," another added.
Microsoft Outlook last experienced a major outage back in January.
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