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Sign-in & Login Problems

How to Remove an Old Tenant from the SharePoint iPhone App

Adam DavisAdam Davis Oct 14, 2026 869 views

Question details

The user needs a method to permanently remove a former guest tenant from their SharePoint mobile app on iOS.

How to Remove an Old Tenant from the SharePoint iPhone App
Product
SharePoint iPhone App
Device & OS
iOS
Scenario
Signing in to Microsoft 365 on the SharePoint app and being repeatedly prompted by a former guest tenant.
Observed behavior
The old tenant continues to display even after the SharePoint app is removed and reinstalled, and standard account setting resets do not prevent the tenant from returning.
Before you start

Ensure you have your current Microsoft 365 login credentials ready, as you will be required to sign back in after performing the complete app reset.

Solution 1Recommended

Delete Sign-In Credentials via iOS Settings

To completely erase cached tenant data on iOS, you must utilize the dedicated SharePoint reset options found directly in your iPhone's main settings rather than simply reinstalling the app.

Uninstalling the SharePoint app on iOS does not necessarily remove all associated keychain data, which is why former guest tenants can persistently reappear.

Performing a complete credential wipe forces the device to drop these saved connections.

1
Quit the SharePoint app

Swipe up from the bottom of your iPhone screen to open the app switcher, find the SharePoint app, and swipe it upward to fully close the application.

2
Access SharePoint in iOS Settings

Navigate to your iPhone's home screen, open the 'Settings' app, and scroll down until you locate 'SharePoint'. Tap on it to open the app-specific preferences.

3
Reset SharePoint and Delete Credentials

Tap on 'Reset SharePoint', then choose 'Delete Sign-In Credentials'. Make sure to enable all available reset options on this screen to ensure all old data is targeted.

4
Restart and sign in again

Restart your iPhone. Once powered back on, open the SharePoint app and sign in with your correct Microsoft 365 account credentials.

Delete Sign-In Credentials via iOS Settings
Server-side caching: If the old tenant still remains after performing these steps, the association is likely cached server-side. Try switching profiles or contact your IT administrator or Microsoft Support for further assistance.
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Frequently Asked Questions

Why does the old tenant still appear after I uninstall the SharePoint app?

On iOS, certain security tokens, keychain data, and sign-in credentials can remain stored on the device even after an app is uninstalled. This is why you must explicitly clear the credentials from the iOS Settings to wipe the data.

Can I remove a guest tenant from my Microsoft account online?

Yes. You can leave a guest organization by signing into the 'My Account' portal on a web browser, navigating to 'Organizations', and selecting 'Leave organization' next to the old tenant. This removes the association server-side.

What should I do if clearing credentials on my iPhone does not fix the issue?

If local resets fail to remove the former tenant, the data is likely cached server-side. Try logging out completely, switching profiles within the app if available, or reaching out to Microsoft Support to have the tenant association refreshed on their end.