Exchange OData Connector 25.4
Exchange OData Connector Help

# MessageFileContentType

Specifies the type of file to ingest for the content of a document that represents a message.

You can set this parameter to one of the following values:

- `UniqueBody` - A text or HTML file containing the body of the message, excluding other messages in the e-mail chain.
- `Body` - A text or HTML file containing the body of the message, including other messages in the e-mail chain. This option is similar to `UniqueBody` but content might be indexed multiple times (in the original message and each time the message is forwarded or replied to).
- `EML` - An `.EML` file containing the entire message, including any attachments. This option requires additional requests to the Exchange API, which increases the time required to synchronize with Exchange.
- `Export` - The connector uses the Microsoft Graph mailbox export API to retrieve messages. This API is currently in the beta state. The main advantage of this option is that the resulting documents contain MAPI-style metadata for the item, in a document metadata field named `Export`.

When you choose `UniqueBody` or `Body`, the connector generates a separate child document for each attachment.

Type: | String
Default: | UniqueBody
Required: | No
Configuration Section: | TaskName or FetchTasks
Example: | `MessageFileContentType=EML`
See Also: |

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Version 25.4 | Last updated October 2025

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Product: Knowledge Discovery Exchange OData Connector 25.4

Topic Title: MessageFileContentType