Today, shared Microsoft 365 plans include 1 TB of OneDrive cloud storage for every family member. Microsoft is about to shrink that allotment dramatically, according to ZDNet.
People on shared plans may want to check how much they actually store and where else their files could live before the change takes effect.
Source: zdnet.com, reported 10-08. https://www.zdnet.com/tech/microsoft-365-subscription-storage-limits/