Answer
Choose View Fullscreen for more room, or Download Table for a CSV file. In fullscreen, wide tables scroll horizontally and long tables scroll vertically. Short tables fit their rows without unnecessary vertical scrolling.
Use Close to return to the chat, or Download to save CSV. Escape uses the existing Close action. Fullscreen tables show the same available translation as the message.
For an actual spreadsheet file rather than a displayed table, keep @ai on with Text selected and explicitly request CSV, TSV or XLSX.