When you save a Microsoft Excel worksheet in XML Spreadsheet format, you might see a message telling you that some features could be lost when you save to that format. Many Excel features are retained, but some are not. Details are listed in the following tables.
Features that are lost when saving as XML Spreadsheet 2003 (.xml) format:
Features that are retained when saving as XML Spreadsheet 2003 (.xml) format:
| Excel feature | Result when saved |
|---|---|
| 1904 date system | Retained |
| Asterisks that mark totals for OLAP data | Retained |
| Background refresh, retrieving data for each item in a page field individually | Retained |
| Calculated fields | Retained |
| Calculated items | Retained |
| Cell comments | Retained |
| Changes to Excel source data | Retained |
| Character and cell formatting | Retained |
| Conditional formatting | Retained |
| Custom calculations | Retained |
| Custom sort order | Retained |
| Customized error values and empty cell values | |
| Data validation restrictions and messages | Retained |
| Distributed alignment | Retained |
| External data ranges | Retained |
| Grouped items in fields | Retained |
| Indented formats | Retained |
| Indented text | Retained |
| Labels in formulas | Retained |
| Lists | List functionality is lost, but the data is retained. |
| Multiple fonts in a single cell | Retained |
| Number formats | Retained |
| Offline cube file | Retained |
| Page fields in rows or columns | Retained |
| Pattern fills | Retained |
| PivotTable Reports | Retained |
| Precision as displayed | Retained |
| Printing and page setup features | Retained |
| R1C1 reference style | Retained |
| References to data on other worksheets | Retained |
| Rotated or vertical text | Retained |
| Subtotals | Retained |
| Subtotals displayed at the top of item groups | Numbers and calculations are retained. Group and outline features are not retained. |
| Thai alignment | Retained |
| Transition settings for Lotus compatibility | Retained |
| Web queries | Retained |
| Worksheet row limit | Retained |