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microsoft 365 e5 developer subscription (the '25 x 1 tb' myth)

learn.microsoft.com/en-us/office/developer-program/microsoftstorage/microsoft-365-e5-developer-subscriptionJSONcomparereport an errorprovider JSON

Free allowance
300 GB pooled storage cap per developer-only tenant, 10 GB OneDrive per user, and 0 GB SharePoint from the Developer SKU in mixed-license tenants.
Verdict
fails: quotathe free allowance is too small to matter
Cost
free tier
Identity
institutionno card, no phone
Binding limit
volume-quota300 GB pooled storage per developer-only tenant; 10 GB OneDrive per user
Evidence
documented6 sources; a first-party page was read and the sentence quoted
Freshness
stale on 2026-12-05checked 2026-11-04 (live); stale on 2026-12-05
Free tier300 GB pooled storage cap per developer-only tenant, 10 GB OneDrive per user, and 0 GB SharePoint from the Developer SKU in mixed-license tenants.
unit GB; metered on stored-bytes
Pricenone stated
Limits
  • volume-quota (binding) 300 GB pooled storage per developer-only tenant; 10 GB OneDrive per user source
Bindingvolume-quota stored volume is capped at 300 GB pooled per developer-only tenant, far below the need
Identityinstitution Eligibility paths are a Visual Studio Professional or Enterprise subscription, an ISV Success Program or Microsoft AI Cloud Partner Program company, or a Premier or Unified Support contract; a valid billing account must also be linked during sandbox setup.
Egressnot recorded
RetentionMicrosoft may require developer tenants to be recreated every 90 days; the tenant is not for long-term data storage. (90 days)
Interfaceunknown
Toolingnot recorded
ReliabilityDeveloper tenants are short-lived by design: Microsoft may require them to be recreated every 90 days.
Evidence notedocumented documented: the 300 GB pooled tenant cap, 10 GB OneDrive per user, 0 GB SharePoint from the Developer SKU, the 90-day tenant recreation clause, the eligibility paths and the billing-account requirement were read on 2026-11-03 at https://learn.microsoft.com/en-us/office/developer-program/microsoft-365-developer-program-faq.
Parsed numbers
  • has-free-tier 1
  • volume-quota 300 GB
Evidence 6
datesourcewhat it proved
2026-10-21learn.microsoft.com/en-us/office/developer-program/microsoftWidely cited as 25 TB. The current FAQ caps developer tenants at 300 GB pooled storage and 10 GB OneDrive per user, with the Developer SKU contributing 0 GB SharePoint in mixed tenants.…
2026-11-03learn.microsoft.com/en-us/office/developer-program/microsoftdeveloper-only tenants are capped at 300 GB pooled storage; 10 GB OneDrive per user; 0 GB SharePoint from the Developer SKU in mixed tenants
2026-11-03learn.microsoft.com/en-us/office/developer-program/microsofttenants may be required to be recreated every 90 days
2026-11-03learn.microsoft.com/en-us/office/developer-program/microsoftthe E5 developer subscription is requested through a company's ISV Success or partner program (or a Visual Studio or Premier Support contract)
2026-11-03learn.microsoft.com/en-us/office/developer-program/microsofta valid billing account must be linked during sandbox setup
2026-11-04learn.microsoft.com/en-us/office/developer-program/microsoftdeveloper-only tenants are capped at 300 GB pooled storage
More fields 1
dead end{"failure_class": "quota","why": "Widely cited as 25 TB. The current FAQ caps developer tenants at 300 GB pooled storage and 10 GB OneDrive per user, with the Developer SKU contributing 0 GB SharePoint in mixed tenants.…","retry_when": null,"first_recorded": "2026-10-21"}
Unknown values 6
  • chaining: no value was recorded for this field
  • egress terms: no value was recorded for this field
  • interface: the access interface was not established
  • per object cap notes: no value was recorded for this field
  • per object cap stated: no value was recorded for this field
  • tooling: no value was recorded for this field