On August 5, 2021, the Recommended slab will be retired from old versions of Outlook iOS. When the change takes effect, the Recommended slab will silently disappear from the search view in Outlook iOS versions older than 4.31.0.

Affected Workloads
- Exchange Online
- Microsoft 365 Apps
Note: If your organization does not use iOS, you can safely ignore this message.
Key points
- Timing: The Recommended slab will be disabled/retired on August 5, 2021.
- Control type: user control
- Action: review, assess, and update to latest iOS version if Discover slab retention is desired
How will this affect your organization
If users have not updated Outlook iOS since March 2020, the Discover slab will silently disappear from their search view.
What you need to do to prepare
Prior to the end of August, users who would like to retain the Discover slab should upgrade to the latest version of Outlook iOS.
You might want to notify your users about this upcoming retirement and update your training and documentation as appropriate.
Message ID: MC266484
Published: 02 July 2021
Updated: 02 July 2021
Action required by: 05 August 2021