check before: 2025-11-01
Product:
Exchange, Outlook
Platform:
Android, Online, World tenant
Status:
Feature Rollout Status Not Supported
Change type:
New feature, Updated message, User impact
Links:
Details:
Summary:
Outlook for Android will support in-app PDF attachment previews starting late November 2025, completing by January 2026. This feature enables automatic PDF preview within the app, requires no admin setup, and affects all commercial and education users. No action is needed, but communication to helpdesk is recommended.
Details:
Updated January 13, 2026: We have updated the timeline. Thank you for your patience.
[Introduction]
To improve mobile productivity and streamline file access, Outlook for Android will soon support in-app PDF attachment previews. This update aligns with user feedback requesting faster, more integrated document viewing experiences without needing to switch apps.
This message is associated with Roadmap ID 520386.
[When this will happen:]
General Availability (Worldwide): Rollout begins in late November 2025 and is expected to complete by end of January 2026 (previously late December).
Change Category:
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Scope:
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Release Phase:
Created:
2025-11-04
updated:
2026-01-15
Task Type
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Docu to Check
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MS How does it affect me
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MS Preperations
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MS Urgency
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MS workload name
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linked item details
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summary for non-techies**
Outlook for Android will soon allow users to preview PDF attachments directly within the app, with the feature rolling out between late November 2025 and January 2026, requiring no action from users or IT administrators.
Direct effects for Operations**
In-app PDF Preview Feature
Users may experience confusion or frustration if they are not aware of the new in-app PDF preview feature, leading to increased support inquiries and potential disruptions in workflow.
- roles: End Users, Helpdesk Staff
- references: https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=520386
User Experience with PDF Attachments
Without prior communication, users may not utilize the new feature effectively, leading to a reliance on external PDF viewers and decreased productivity due to switching between apps.
- roles: End Users, IT Support
- references: https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=520386
Configutation Options**
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explanation for non-techies**
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change history
| Date | Property | old | new |
| 2026-01-15 | MC MessageTagNames | New feature, User impact | Updated message, New feature, User impact |
| 2026-01-15 | MC Summary | Outlook for Android will support in-app PDF attachment previews starting late November 2025, enabling users to view PDFs directly within the app by default. No admin action is needed, and users can still open PDFs in other apps if desired. This applies to all commercial and education tenants. | Outlook for Android will support in-app PDF attachment previews starting late November 2025, completing by January 2026. This feature enables automatic PDF preview within the app, requires no admin setup, and affects all commercial and education users. No action is needed, but communication to helpdesk is recommended. |
| 2026-01-15 | MC Last Updated | 11/04/2025 01:54:40 | 2026-01-14T18:42:35Z |
| 2026-01-15 | MC Messages | [Introduction]
To improve mobile productivity and streamline file access, Outlook for Android will soon support in-app PDF attachment previews. This update aligns with user feedback requesting faster, more integrated document viewing experiences without needing to switch apps. This message is associated with Roadmap ID 520386. [When this will happen:] General Availability (Worldwide): Rollout begins in late November 2025 and is expected to complete by late December 2025. | Updated January 13, 2026: We have updated the timeline. Thank you for your patience.
[Introduction] To improve mobile productivity and streamline file access, Outlook for Android will soon support in-app PDF attachment previews. This update aligns with user feedback requesting faster, more integrated document viewing experiences without needing to switch apps. This message is associated with Roadmap ID 520386. [When this will happen:] General Availability (Worldwide): Rollout begins in late November 2025 and is expected to complete by end of January 2026 (previously late December). |
| 2026-01-15 | MC Title | Outlook for Android supports PDF attachment preview | (Updated) Outlook for Android supports PDF attachment preview |
| 2026-01-15 | MC End Time | 01/23/2026 09:00:00 | 2026-03-02T09:00:00Z |
Last updated 3 weeks ago ago
