Workbooks
Open a spreadsheet properly — sheets, columns and proposed edits you approve.
A spreadsheet attached to a conversation can be opened as a workbook rather than treated as an opaque file. The workbook view understands the structure: sheets, headers, column types, formatting and the rest.

Opening one
Attach a spreadsheet to a conversation and choose Open in workbook, or Browse for a spreadsheet from the workbook surface itself.
A workbook opened this way lives only in the current tab. To keep it, use Save to Documents — see Save and reopen a workbook.
What it shows
- Sheets and their headers.
- Column profiles — the dominant type of each column, so you can see at a glance that a column you expected to be numeric is text.
- All cell values, with their types.
- Presentation detail: cell formatting, fonts, colours, borders and number formats; column widths, row heights, frozen panes and merged cells; conditional formatting and data validation rules; charts, images and shapes.
That fidelity is the point — an assistant that ignores number formats and merged cells will confidently misread a real-world spreadsheet.
Proposed changes
When the assistant suggests edits, they arrive as proposed changes rather than being written straight in. Review them and Apply proposed changes; AODex reports how many were applied.
Nothing is changed without you applying it. This is deliberate — a spreadsheet is usually the system of record for something, and silent edits to it are hard to spot and harder to unwind.
Close workbook returns you to the conversation.