IOS apps cache O365 Auth, we delete all MS relate apps on IOS and delete Outlook app.
But when we open Outlook apps it still appear a O365 profile and then auth failed.
Any idea to clean up O365 cache auth on Outlook Apps, or any apps with link to Outlook App.
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It can take up to 3-7 days after deleting the Outlook for iOS app on your mobile devices to clear the cache completely.
TechNet describes the following three options:
Option 1: Initiate a Remote Wipe for each user who has used the Outlook app for iOS and Android to connect to Office 365 or Exchange.
Option 2: Have all users delete the Outlook app. All data will be removed in approximately 3-7 days.
Option 3: Have each user remove their account from the Outlook app, and then delete the app from their mobile devices. To remove an account, have users follow these steps:
In the Outlook app, in Settings, tap Account Settings.
Tap Select an Account, and then, with the account selected, tap Remove Account.
Tap Device & Remote Data.