| Extension | File Description |
| .L8B | Uncommon Files |
| .L8C | Uncommon Files |
| .L8D | Uncommon Files |
| .L8E | Uncommon Files |
| .L8F | Uncommon Files |
| .L8G | Uncommon Files |
| .L8H | Uncommon Files |
| .L8I | Uncommon Files |
| .L8J | Uncommon Files |
| .L8K | Uncommon Files |
| .L8L | Uncommon Files |
| .L8M | Uncommon Files |
| .L8N | Uncommon Files |
| .L8O | Uncommon Files |
| .L8P | Uncommon Files |
| .L8Q | Uncommon Files |
| .L8R | Uncommon Files |
| .L8S | Uncommon Files |
| .L8T | Uncommon Files |
| .L8U | Uncommon Files |
| .L8V | Uncommon Files |
| .L8W | Uncommon Files |
| .L8X | Uncommon Files |
| .L8Y | Uncommon Files |
| .L8Z | Uncommon Files |
| .L90 | Uncommon Files |
| .L91 | Uncommon Files |
| .L92 | Uncommon Files |
| .L93 | Uncommon Files |
| .L94 | Uncommon Files |
| .L95 | Uncommon Files |
| .L96 | Uncommon Files |
| .L97 | Uncommon Files |
| .L98 | Uncommon Files |
| .L99 | Uncommon Files |
| .L9A | Uncommon Files |
| .L9B | Uncommon Files |
| .L9C | Uncommon Files |
| .L9D | Uncommon Files |
| .L9E | Uncommon Files |
| .L9F | Uncommon Files |
| .L9G | Uncommon Files |
| .L9H | Uncommon Files |
| .L9I | Uncommon Files |
| .L9J | Uncommon Files |
| .L9K | Uncommon Files |
| .L9L | Uncommon Files |
| .L9M | Uncommon Files |
| .L9N | Uncommon Files |
| .L9O | Uncommon Files |
| .L9P | Uncommon Files |
| .L9Q | Uncommon Files |
| .L9R | Uncommon Files |
| .L9S | Uncommon Files |
| .L9T | Uncommon Files |
| .L9U | Uncommon Files |
| .L9V | Uncommon Files |
| .L9W | Uncommon Files |
| .L9X | Uncommon Files |
| .L9Y | Uncommon Files |
| .L9Z | Uncommon Files |
| .LA | Audio Files |
| .LA0 | Uncommon Files |
| .LA1 | Uncommon Files |
| .LA2 | Uncommon Files |
| .LA3 | Uncommon Files |
| .LA4 | Uncommon Files |
| .LA5 | Uncommon Files |
| .LA6 | Uncommon Files |
| .LA7 | Uncommon Files |
| .LA8 | Uncommon Files |
| .LA9 | Uncommon Files |
| .LAA | Uncommon Files |
| .LAB | Page Layout Files |
| .LABELS | Uncommon Files |
| Extension | File Description |
| .LABLES | Uncommon Files |
| .LAC | Uncommon Files |
| .LACCDB | Data Files |
| .LAD | Uncommon Files |
| .LAE | Uncommon Files |
| .LAF | Uncommon Files |
| .LAG | Uncommon Files |
| .LAH | Uncommon Files |
| .LAI | Uncommon Files |
| .LAJ | Uncommon Files |
| .LAK | Uncommon Files |
| .LAL | Uncommon Files |
| .LAM | Uncommon Files |
| .LAMP | Uncommon Files |
| .LAN | GIS Files |
| .LAND | Uncommon Files |
| .LANDSAT | Uncommon Files |
| .LANG | Settings Files |
| .LANGUAGE | Uncommon Files |
| .LAO | Uncommon Files |
| .LAP | Uncommon Files |
| .LAPTOP | Uncommon Files |
| .LAQ | Uncommon Files |
| .LAR | Uncommon Files |
| .LARG | Uncommon Files |
| .LARGE | Uncommon Files |
| .LARRY | Uncommon Files |
| .LAS | Data Files |
| .LASE | Uncommon Files |
| .LASER | Uncommon Files |
| .LASSO | Web Files |
| .LAST | Uncommon Files |
| .LASXML | Data Files |
| .LAT | Uncommon Files |
| .LATEST | Uncommon Files |
| .LATEX | Text Files |
| .LAU | Uncommon Files |
| .LAUNCH | Uncommon Files |
| .LAUNCHER | Uncommon Files |
| .LAV | Uncommon Files |
| .LAVAITTE | Uncommon Files |
| .LAVS | Uncommon Files |
| .LAW | Uncommon Files |
| .LAWS | Uncommon Files |
| .LAX | Uncommon Files |
| .LAY | Misc Files |
| .LAYER1 | Uncommon Files |
| .LAYOUT | Settings Files |
| .LAYUP | Uncommon Files |
| .LAZ | Uncommon Files |
| .LA_ | Uncommon Files |
| .LB | Uncommon Files |
| .LB0 | Uncommon Files |
| .LB1 | Uncommon Files |
| .LB2 | Uncommon Files |
| .LB3 | Uncommon Files |
| .LB4 | Uncommon Files |
| .LB5 | Uncommon Files |
| .LB6 | Uncommon Files |
| .LB7 | Uncommon Files |
| .LB8 | Uncommon Files |
| .LB9 | Uncommon Files |
| .LBA | Uncommon Files |
| .LBB | Uncommon Files |
| .LBC | Uncommon Files |
| .LBD | Uncommon Files |
| .LBE | Uncommon Files |
| .LBF | Uncommon Files |
| .LBG | Uncommon Files |
| .LBH | Uncommon Files |
| .LBI | Developer Files |
| .LBJ | Uncommon Files |
| .LBK | Uncommon Files |
| .LBL | Page Layout Files |
| .LBM | Raster Image Files |
