# XlsxWorkbook

Fields, allowed values, and APIs that use XlsxWorkbook.

Canonical: https://grid.syidax.com/docs/types/XlsxWorkbook/

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## Type definition

A question mark (?) marks an optional field; readonly marks a value you should not change directly. A union (|) accepts one of the listed forms. Functions are callbacks that Grid invokes at the relevant point.

```typescript
export interface XlsxWorkbook {
  readonly sheets: ReadonlyArray<XlsxWorkbookSheet>;
  readonly definedNames: ReadonlyArray<XlsxDefinedName>;
  readonly date1904: boolean;
}
```

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## Contracts containing this type

- [XlsxImportResult](https://grid.syidax.com/docs/types/XlsxImportResult.md)

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## Related types

- [XlsxWorkbookSheet](https://grid.syidax.com/docs/types/XlsxWorkbookSheet.md)
- [XlsxDefinedName](https://grid.syidax.com/docs/types/XlsxDefinedName.md)