HtmlSaveOptions.document_split_criteria property. Specifies how the document should be split when saving To [SaveFormat.Html](../../../aspose.words/saveformat/#Html), [SaveFormat.EPUB](../../../aspose.words/saveformat/#EPUB) or [SaveFormat.AZW3](../../../aspose.words/saveformat/#AZW3) format...Copy page Copy page as Markdown Open Markdown Open in ChatGPT Open...split when saving to SaveFormat.HTML , SaveFormat.EPUB or SaveFormat...