Technology · Software & cloud · published 2026-10-08 · via ZDNET

Microsoft 365 storage changes will shrink shared OneDrive capacity

Microsoft plans to overhaul storage and AI benefits for several Microsoft 365 subscription tiers in the next few months. Under the change, Family and Premium accounts would receive a single 2TB shared OneDrive pool rather than separate 1TB allowances that can total up to 6TB. Subscribers who use large amounts of storage may have to relocate files or face significantly higher costs.

Expanded Detail

Microsoft is revising its Personal, Family, Premium, and Pro Microsoft 365 tiers, with rollout expected over the next few months. Today, Family, Premium, and Pro members each receive 1TB, so a six-person plan can reach 6TB. Afterward, Family and Premium will draw from one 2TB account-wide pool; Pro will offer 5TB and top-tier AI limits at $100 monthly.

AI credits will also become shareable. Currently limited to the account owner, Copilot credits will be usable by family members, with owners able to oversee younger users' access. Premium and Pro can buy extra AI credits. Microsoft says shared storage applies to subscriptions created or upgraded beginning October 8, 2026.

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