how to prevent users from login to their personal office365 account?

Question

hi,
&nbsp;
just wondering if anyone can share how they prevent their users from login to their personal office 365 accounts?&nbsp;
&nbsp;
especially for services such as&nbsp;onedrive, outlook...
&nbsp;

vasilmichev · Answer

Use the "block sign-in" option in the O365 portal?

vasilmichev · Answer

Well it helps when you give more than a one-line description of the issue. If by personal you mean their own O365 subscriptions or in general any "non-company" O365 tenant, you can use the "tenant restrictions" feature: https://docs.microsoft.com/en-us/azure/active-directory/active-directory-tenant-restrictions

er · Answer

Tenant restrictions prevent users from logging into other business tenants, but there doesn’t seem to be a way to prevent users from logging into their personal outlook accounts (e.g. hotmail).&nbsp;We can block personal OneDrive by blocking specific live.com endpoints, but that doesn’t work for Outlook.&nbsp;Does anyone know how to block our business users from logging into their personal (eg non business tenant) Outlook and creating a data leakage concern?&nbsp;

jeffrey li · Answer

thanks. How does this prevent user from login to their personal account when they are in the company network?&nbsp;

adam deltinger · Answer

You can use a regkey or via GPO to restrict adding any further accounts in outlook!&nbsp;Furthermore you can utilize&nbsp; IRM , AIP and conditional access to restrict forwarding, download, copy / paste, device and location restriction etc. to further enhance your security&nbsp;Adam

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how to prevent users from login to their personal office365 account?

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