MC1184410 Low
Microsoft Outlook for iOS/Android: Automatic replies collapsed by default in email thread
Summary AI-generated
Outlook for iOS and Android will automatically collapse automatic replies in email threads for a cleaner reading experience; rollout starts early December 2025.
Suggested actions AI-generated
- Inform helpdesk staff
- Update internal documentation
Written by Azure OpenAI (gpt-4.1) from the text of the post below. It can be incomplete or wrong; the original post is authoritative.
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Original post from Microsoft
[Introduction]
To help users focus on the main conversation flow, Outlook for iOS and Android will now automatically collapse automatic replies (such as out-of-office messages) within email threads. These messages remain accessible and can be expanded when needed, providing a cleaner and more consistent reading experience. Now when users receive multiple automatic replies at once, they appear collapsed in the reading pane by default. Users can then expand to access all the automatic replies if desired.
This message is associated with Roadmap ID 523207 and 523208.
[When this will happen:]- General Availability (Worldwide, GCC, GCCH): Rollout begins early December 2025; expected to complete late December 2025
- Who is affected: All users of Outlook for iOS and Android
- What will happen:
- Automatic replies will appear collapsed by default in email threads.
- Users can tap to expand and view the full content of these replies.
- This feature is enabled automatically; no configuration is required.
- There is no impact to message delivery or reply behavior.
[What you can do to prepare:]
No action is required. This feature will be enabled automatically.
- Communicate this change to helpdesk staff to reduce potential confusion.
- Update any internal documentation that references email thread behavior in Outlook mobile apps.
No compliance considerations identified, review as appropriate for your organization.
Additional details from Microsoft
- RoadmapIds
- 523207,523208
- FeatureStatusJson
- {"523207":[{"RoadmapId":523207,"Platform":"Android","Status":"FeatureRolloutStatusNotSupported","LastUpdateTime":"2025-12-24T22:54:26.4832195Z","LatestRing":null},{"RoadmapId":523207,"Platform":"All","Status":"FeatureRolloutStatusNotSupported","LastUpdateTime":"2025-12-24T22:54:26.4832195Z","LatestRing":null}],"523208":[{"RoadmapId":523208,"Platform":"iOS","Status":"FeatureRolloutStatusNotSupported","LastUpdateTime":"2025-12-24T22:54:26.4831465Z","LatestRing":null},{"RoadmapId":523208,"Platform":"All","Status":"FeatureRolloutStatusNotSupported","LastUpdateTime":"2025-12-24T22:54:26.4831466Z","LatestRing":null}]}
- Summary
- Outlook for iOS and Android will automatically collapse automatic replies in email threads by default starting December 2025. Users can expand these replies if needed. This change applies to all users, requires no configuration, and does not affect message delivery or reply behavior.
- Platforms
- Android, iOS