| Abbreviation | Definition |
|---|---|
| XIM | X11 Xim Toolkit file Bitmap graphics |
| XIP | Hotbar Image Compression Format |
| XIP | HP95 Execute- In- Place Program |
| XIP | Microsoft Xbox Dashboard file |
| XL | Excel Spreadsheet |
| XLA | Excel Add-in macro sheet |
| XLA | Xlib graphics library Archive |
| XLB | Excel Worksheet |
| XLC | Excel Chart |
| XLD | Excel Dialog sheet |
| XLK | Excel Backup file |
| XLL | Excel XLL add-in |
| XLM | Excel Macro |
| XLR | X Lower Right |
| XLS | Microsoft Excel Spreadsheet |
| XLS | Microsoft Works Spreadsheet |
| XLSHTML | Excel HTML Document |
| XLSX | Excel Microsoft Office Open XML Format Spreadsheet file |
| XLT | Excel Template |
| XLT | Translation table for Lotus 1-2-3, Symphony, or Procomm Plus |