Users may experience issues accessing Outlook.com

Update timeline

1. monitoring Apr 27, 2026, 10:15 AM UTC

   User impact: Users may experience intermittent issues signing in to Outlook.com. Current status: We’re analyzing service telemetry and investigating reported behavior to determine scope and next steps. Next update by: Monday, April 27, 2026, at 11:30 AM UTC

2. monitoring Apr 27, 2026, 11:26 AM UTC

   User impact: Users may experience intermittent issues signing in to Outlook.com. More info: Some users may experience intermittent sign‑in failures, including “too many requests” errors or unexpected sign‑outs. Current status: Our investigation indicates client sign-in scenarios may be contributing to the reported behaviour, and we're focused on validating interactions across service components to identify next steps. Next update by: Monday, April 27, 2026, at 12:30 PM UTC

3. monitoring Apr 27, 2026, 12:23 PM UTC

   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 reviewing a recent change as part of our ongoing investigation and determining next steps. Next update by: Monday, April 27, 2026, at 1:30 PM UTC

4. monitoring Apr 27, 2026, 01:17 PM UTC

   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. Next update by: Monday, April 27, 2026, at 2:30 PM UTC

5. monitoring Apr 28, 2026, 02:21 PM UTC

   User impact: Users may experience intermittent issues signing in to Outlook.com. Current status: We’ve received reports that impact associated with OL1292958 persists. We've resumed our investigation of the issue and are currently analyzing service telemetry and investigating reported behavior to determine scope and next steps. Next update by: Tuesday, April 28, 2026, at 4:30 PM UTC

6. monitoring Apr 28, 2026, 05:10 PM UTC

   User impact: Users may experience intermittent issues signing in to Outlook.com. Current status: We're performing some changes to optimize the outlook.com iOS sign-in experience and, once complete, we'll provide instructions to help users sign back into their accounts. In the interim as we develop this change, we recommend trying the following steps to sign in to your account: 1. Open the Settings app on your iPhone. 2. Scroll down and tap on Mail. 3. Select Accounts under the Mail settings. 4. Tap on the email account for which you need to reenter the password. 5. Tap on Account Settings or directly on the Password field (depending on your iOS version). 6. Enter the updated or correct password in the Password field. 7. Tap Done to save the changes. 8. Open the Mail app to confirm that the account is syncing properly and emails are being sent/received. Next update by: Tuesday, April 28, 2026, at 11:00 PM UTC

7. monitoring Apr 28, 2026, 10:33 PM UTC

   User impact: Users may experience intermittent issues signing in to Outlook.com. Current status: We're continuing to optimize the outlook.com iOS sign-in experience to address reports of persisting impact. We've also investigated the scenario in which users are encountering repeated sign-in prompts and are then informed, "You've tried to sign in too many times with an incorrect account or password"; users experiencing this scenario should sign in with other methods or reset their password to sign in to their accounts. We'll provide more guidance as it becomes available. Next update by: Wednesday, April 29, 2026, at 1:30 AM UTC

8. monitoring Apr 28, 2026, 11:35 PM UTC

   User impact: Users may experience intermittent issues signing in to Outlook.com. Current status: We're continuing to optimize the outlook.com iOS sign-in experience to address reports of persisting impact. We've also investigated the scenario in which users are encountering repeated sign-in prompts and are then informed, "You've tried to sign in too many times with an incorrect account or password"; users experiencing this scenario should sign in with other methods or reset their password to sign in to their accounts. We'll provide more guidance as it becomes available. Next update by: Wednesday, April 29, 2026, at 1:30 AM UTC

9. monitoring Apr 29, 2026, 01:25 AM UTC

   User impact: Users may experience intermittent issues signing in to Outlook.com. Current status: We’re continuing to implement further optimizations for the outlook.com iOS sign-in experience to help address reports of persisting impact. While we monitor these optimization changes to assess their effectiveness, we’re also looking into what additional changes may be needed to address the scenario in which users are encountering repeated sign-in prompts. We still recommend that for users experiencing this scenario, they should sign in with other methods or reset their password to sign in to their accounts. We’ll continue to provide more guidance as it becomes available. Next update by: Wednesday, April 29, 2026, at 3:30 AM UTC

10. monitoring Apr 29, 2026, 03:29 AM UTC

    User impact: Users may experience intermittent issues signing in to Outlook.com. More Info: If you are still impacted, we recommend the following steps outlined below to sign-in again on iOS devices: 1. Open the Settings app on your iPhone. 2. Scroll down and tap on Mail. 3. Select Accounts under the Mail settings. 4. Tap on the email account for which you need to reenter the password. 5. Tap on Account Settings or directly on the Password field. This will depend on your iOS version. 6. Enter the updated or correct password in the Password field. 7. Tap Done to save the changes. 8. Open the Mail app to confirm that the account is syncing properly and emails are being sent/received. Current status: We’ve completed all our optimization changes to fully address the impact for the outlook.com iOS sign-in experience and we’ve confirmed service health has returned to normal. We anticipate that users should no longer experience repeated sign-in prompts hindering the sign-in process. We recommend that users attempt to sign-in again and if they encounter the error message stating “You’ve tried to sign-in too many times with an incorrect account or password”, they should follow the inline user experience to reset their password and sign-in again. Next update by: Wednesday, April 29, 2026, at 9:00 AM UTC

11. monitoring Apr 29, 2026, 07:37 AM UTC

    User impact: Users may experience intermittent issues signing in to Outlook.com. More Info: If you are still impacted, we recommend the following steps outlined below to sign-in again on iOS devices: 1. Open the Settings app on your iPhone. 2. Scroll down and tap on Mail. 3. Select Accounts under the Mail settings. 4. Tap on the email account for which you need to reenter the password. 5. Tap on Account Settings or directly on the Password field. This will depend on your iOS version. 6. Enter the updated or correct password in the Password field. 7. Tap Done to save the changes. 8. Open the Mail app to confirm that the account is syncing properly and emails are being sent/received. Current status: We’re closely monitoring our internal and external service telemetry to ensure the impact does not reoccur. We still advise that users attempt to sign-in again and if they encounter the error message stating “You’ve tried to sign-in too many times with an incorrect account or password”, they should follow the inline user experience to reset their password and sign-in again. Next update by: Wednesday, April 29, 2026, at 2:00 PM UTC

12. monitoring Apr 29, 2026, 12:46 PM UTC

    User impact: Users may experience intermittent issues signing in to Outlook.com. Current status: We’re continuing to closely monitor service telemetry which continues to show the mitigation actions have been successful. However, if users are still impacted, we recommend that users attempt to sign-in again and if they encounter the error message stating “You’ve tried to sign-in too many times with an incorrect account or password”, they should follow the inline user experience to reset their password and sign-in again. Next update by: Wednesday, April 29, 2026, at 10:00 PM UTC