US APP STORE
Microsoft Outlook on iPhone Duo
DUOREADY SCORE
Adapted for iPhone Duo
60/100 (3/5) · Good
Editorial adaptation capability score. Evidence quality is listed separately; this is not a user rating.
Microsoft documents Duo support and side-by-side multitasking in iOS 5.2641.0. The reviewed evidence does not yet confirm an in-app inbox-and-message two-pane layout. US and China storefront availability is verified; regional feature rollout has not been hands-on tested.
- Official Duo support shipped on launch day (5.2641.0, Oct 23, 2026)
- Fills the inner display, no letterboxing; smoother resizing
- Two-pane inbox + full message NOT live yet — Apple: 'in the coming weeks'
SOURCE
Microsoft official Outlook Mobile release notes↗Evidence: verified ·