Updated February 19, 2026: We have updated the content. Thank you for your patience.
Introduction
We’re conducting an experiment that changeschanging how Word, Excel, and PowerPoint file attachments open in Outlook for iOS and Android.iOS. For iPad users only, these files maywill open directly in the Word, Excel, or PowerPoint apps when they are installed, instead of using the in-app previewer.
When this will happen:
General Availability (Worldwide, GCC, GCCH, DoD): We will begin rolling out this experimentout in early to mid-February 2026 and expect to decide whether to proceed with or stopcomplete the rollout by the late March 2026.
How this affects your organization:
Who is affected:
- Users on iPad devices running Outlook who have the Word, Excel, or PowerPoint apps installed.
What will happen:
Some iPad users will find that Word, Excel, and PowerPoint attachments open directly in the corresponding app.- Users without the Office apps installed will continue to use the in-app previewer.
This is an experiment and may not become permanent.- No admin configuration is required.
What you can do to prepare:
- No action is required.
- You may choose to notify iPad users or update internal help documentation.
Compliance considerations:
No compliance considerations identified, review as appropriate for your organization.