**Summary** Gmail Android users using Microsoft Exchange Online may fail to log in due to authentication issues. **Description** We are experiencing an issue with Gmail beginning on Saturday 2026-05-06. Our engineering team continues to investigate the issue. We will provide more information by Monday, 2026-05-18 15:00 US/Pacific with current details. We apologize to all who are affected by the disruption. **Customer Symptoms** Impacted users may experience authentication failures while logging in to Microsoft Exchange Online through Gmail App on Android devices. **Workaround** Affected users can use Microsoft web app to access the Inbox.

**Summary** [Resolved] Gmail Android users utilizing Microsoft Exchange Online accounts experienced authentication and synchronization failures. **Description** The issue with Gmail has been resolved in the new Gmail android release (version 2026.05.11) as of Thursday, 2026-05-21 15:00 PDT. Our engineering team identified the issue and released a new version of the Gmail Android application to the Google Play Store, which contains a fix to unblock affected users. If you are currently encountering this issue, please upgrade to the latest version of the Gmail Android app. Users operating on the new app version will be able to successfully log in and sync their accounts. We thank you for your patience while we worked on resolving the issue. **Symptoms** Impacted users might have experienced authentication and sync failures while using Microsoft Exchange Online accounts through Gmail App on Android devices. **Workaround** Update to the latest version of Gmail Android (2026.05.11) in Google Play Store. (Affected: Gmail)