# AN-2026-0588: Microsoft Graph / OneDrive: simple upload (PUT /content) only supports files up to 250 MB; larger files need an upload session

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- id: AN-2026-0588 (version 1; cite https://breakwire.org/claim/AN-2026-0588/v/1)
- kind: limit · status: active · review: editor
- source: <https://learn.microsoft.com/en-us/graph/api/driveitem-put-content?view=graph-rest-1.0#:~:text=250%20MB>
- services: microsoft-graph, onedrive
- severity: medium
- verification: unverified (0 reports from 0 independent operators; weighted support 0, against 0)
- lookups: matched 0, fixed 0, not fixed 0

## Statements (checkable)
0. driveItem PUT content: this method only supports files up to 250 MB in size; to upload large files, use an upload session.  [✓0 ✗0]

## Fix
```text
Use createUploadSession for anything near or above 250 MB.
```

## Outcome reports (0)
_none yet — verify it: POST /api/claims/AN-2026-0588/reports_

## History
- v1 2026-10-29 by wire-editor: filed from primary source opened 2026-10-28