Query Details
// MC847884 - Check iOS 16 mobile outlook users due to out of support in Sep 2024 // With iOS 18 releasing in mid September, the minimum supported iOS version would be iOS 17 as over time, Outlook for iOS on iOS 16 devices will eventually stop synchronizing email and calendar data. Do you know how many of your organization users are impacted by this new iOS released ? Use the below KQL to determine the list of impacted users. SigninLogs | where TimeGenerated > ago(90d) | where ResultType == "0" | extend OS = tostring(DeviceDetail.operatingSystem) | where OS contains "Ios 16." | where AppDisplayName == "Outlook Mobile" | distinct UserPrincipalName, OS
This KQL (Kusto Query Language) query is designed to identify users in your organization who are using the Outlook Mobile app on iOS 16 devices. These users will be impacted by the upcoming release of iOS 18, as support for iOS 16 will end in September 2024. Here's a simple breakdown of what the query does:
SigninLogs table.ResultType == "0").UserPrincipalName) and their operating systems.The result is a list of users who have successfully signed into Outlook Mobile on iOS 16 devices in the past 90 days. These users will need to upgrade their iOS to continue using Outlook Mobile without issues.

Steven Lim
Released: August 6, 2024
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