| 1. | .xl | Spreadsheet (Excel) |
| 2. | .xla | Add-in macro sheet (Microsoft Excel) ◊ Xlib Archive (Xlib graphics library) |
| 3. | .xlb | Toolbar (Microsoft Excel) |
| 4. | .xlc | Chart (Microsoft Excel) |
| 5. | .xld | Dialog sheet (Microsoft Excel) |
| 6. | .xlk | Backup (Microsoft Excel) |
| 7. | .xll | Dynamic link library (XLL) (Microsoft Excel) |
| 8. | .xlm | Macrosheet (Microsoft Excel) |
| 9. | .xls | Spreadsheet (Microsoft Excel) |
| 10. | .xlt | Template (Microsoft Excel) ◊ Translation table (Lotus 1-2-3 - Symphony - Procomm Plus) |
Top 10 
Feedback