Microsoft 365 subscribers set to lose up to 4TB of OneDrive storage

Why Microsoft Is Scaling Back Cloud Storage Benefits

Microsoft is reducing the cloud storage allowance for many Microsoft 365 subscribers, cutting up to 4 terabytes from their OneDrive allocation. The change takes effect in October 2026 and impacts users on certain consumer and business plans who previously enjoyed higher storage tiers. Microsoft says the adjustment aligns storage limits with actual usage patterns across its subscriber base.

The reduction affects subscribers who were granted expanded storage as part of promotional offers or legacy plan benefits. Those on Microsoft 365 Family and Personal plans may see their storage drop from 6TB to 2TB, while some business users could lose up to 4TB depending on their agreement. Microsoft states that most users currently use less than 1TB, and the change aims to optimize resource allocation. The company will notify affected customers via email and in-app alerts before the change applies.

How Will Users Adapt to Lower Storage Limits?

Microsoft says the storage rollback reflects a shift toward sustainable service delivery as cloud demand grows. Internal data shows that fewer than 10% of subscribers regularly use more than 2TB of OneDrive space, prompting the company to reassess its offerings. By adjusting limits, Microsoft aims to maintain performance and reliability across its infrastructure while keeping subscription prices stable. The move follows similar adjustments in recent years, including reductions to free Outlook.com storage and changes to Teams file sharing limits.

Affected users will need to manage their files more carefully or purchase additional storage through Microsoft’s add-on options. The company encourages users to review their OneDrive usage via the storage settings page and delete redundant or large files. For those needing more space, extra 100GB blocks are available for $1.99 per month, or users can upgrade to higher-tier plans. Microsoft also highlights integration with SharePoint and Azure for business customers requiring scalable storage solutions.

Will I lose access to my files if I exceed the new limit? No, your files will remain safe and accessible, but you won’t be able to upload new files until you free up space or buy more storage.

Frequently Asked Questions

Can I keep my current storage by switching plans? Some legacy plans may still offer higher storage, but availability varies; Microsoft advises checking your account details or contacting support.

Is this change happening globally? Yes, the storage adjustment applies to all Microsoft 365 consumer and business subscribers worldwide, effective October 2026.