# Interface: `IFile` [@jupyterlite/contents](../modules/jupyterlite_contents.md).[DriveFS](../modules/jupyterlite_contents.DriveFS.md).IFile A file representation; ## Properties ### `data` > > **`data`**: `Uint8Array` #### Defined in [packages/contents/src/drivefs.ts:661](https://github.com/jupyterlite/jupyterlite/blob/bcc7ac7/packages/contents/src/drivefs.ts#L661) ### `format` > > **`format`**: ``"json"`` \| ``"text"`` \| ``"base64"`` #### Defined in [packages/contents/src/drivefs.ts:662](https://github.com/jupyterlite/jupyterlite/blob/bcc7ac7/packages/contents/src/drivefs.ts#L662)