Microsoft 365 Message Center item MC1267871
MC1267871 - (Updated) Outlook for Android: Unified user interface in text, image and zip previewers
Outlook for Android will update text, image, and zip file previewers with a unified interface matching Word, Excel, and PowerPoint previews. The rollout starts late April 2026, completing by mid-May. Changes include updated icons, action order, and a new Expand button. No action required.
- Message Center ID
- MC1267871
- Category
- stay Informed
- Severity
- normal
- Services
- Exchange Online
- Tags
- Updated message, Feature update, User impact
- Published
- 2026-04-01
- Last updated
- 2026-06-12
- Expires
- 2026-06-18
Updated June 12, 2026: The same set of updates will also apply to the PDF previewer. Thank you for your patience. [Introduction] To provide a more consistent and predictable file viewing experience, we’re updating the user interface for text, image and zip file previewers in Outlook for Android. These changes align text, image and zip previewers with the existing preview experience for Word, Excel, and PowerPoint files. [When this will happen:] General Availability (Worldwide): Rollout begins late April 2026 and completes by mid-May 2026 [How this affects your organization:] Who is affected: All users viewing text, image and zip file attachments in Outlook for Android What will happen: Users will see updated styling in text, image and zip file previewers to match other Office file previewers.The overflow action menu will:Display updated iconsUse a revised action order consistent with Word, Excel, and PowerPoint previewersA new Expand button will appear in the action bar, making it easier to enter full-screen mode.The feature is enabled by default and does not change existing policies or workflows. [What you can do to prepare:] No action is required; the update is enabled automatically Optionally notify users and helpdesk staff of the UI refresh Update internal documentation or screenshots if applicable [Compliance considerations:] No compliance considerations identified, review as appropriate for your organization.