product-example 1 linked patterns checked
Microsoft Learn: File rules and validation errors
Documents CSV UTF-8 requirements, unique headers, required field values, one source column per target field, type validation, row-level warnings, and the choice between failing the entire upload or importing valid rows while excluding invalid rows.
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What this source can teach
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Pattern Decisions This Source Supports
| Pattern | Supported decision | Required contract | Claim note |
|---|---|---|---|
| Bulk import | Choose bulk import when one uploaded file represents many structured records that must be parsed into fields. | Uploading parses the file into headers, sample rows, counts, and metadata before any records are created or updated. | Supports unique headers, required values, one source column per target field, data type validation, row warnings, and valid-row-only imports. |
Evidence Role
This source is treated as product-example evidence. Its value comes from the specific claims and setting described above.
Publisher: Microsoft. Last checked: .