Microsoft is rolling out an update to remove the Everyone Except External Users (EEEU) permission from OneDrive for Business accounts created before August 1. They’re also doing a permissions reset of lists created in those accounts, meaning that some folks might lose access to lists. It’s hard to know how much impact this will have on Office 365 tenants, but it’s probably a good ideas to ask.
https://office365itpros.com/2020/11/06/eeeu-onedrive-finished/
