| Extension | File Description |
| .A2M | Settings Files |
| .ACB | Settings Files |
| .ACF | Settings Files |
| .ACO | Settings Files |
| .ACV | Settings Files |
| .ACW | Settings Files |
| .ADO | Settings Files |
| .AHS | Settings Files |
| .AIT | Settings Files |
| .ALV | Settings Files |
| .AMP | Settings Files |
| .AOM | Settings Files |
| .API | Settings Files |
| .APPLICATIO | Settings Files |
| .APPREF-MS | Settings Files |
| .ARG | Settings Files |
| .ARL | Settings Files |
| .ARP | Settings Files |
| .ARS | Settings Files |
| .ASL | Settings Files |
| .AST | Settings Files |
| .ASV | Settings Files |
| .ASWCS | Settings Files |
| .ASWS | Settings Files |
| .ATC | Settings Files |
| .ATF | Settings Files |
| .ATH | Settings Files |
| .ATN | Settings Files |
| .AVE | Settings Files |
| .AWS | Settings Files |
| .AXP | Settings Files |
| .AXT | Settings Files |
| .BAU | Settings Files |
| .BCS | Settings Files |
| .BGI | Settings Files |
| .BKS | Settings Files |
| .BLOB | Settings Files |
| .BLT | Settings Files |
| .BLW | Settings Files |
| .BOOT | Settings Files |
| .BXX | Settings Files |
| .C11AMC | Settings Files |
| .C11AMZ | Settings Files |
| .CAMP | Settings Files |
| .CASE | Settings Files |
| .CEX | Settings Files |
| .CF | Settings Files |
| .CFG | Settings Files |
| .CGR | Settings Files |
| .CHA | Settings Files |
| .CHL | Settings Files |
| .CHX | Settings Files |
| .CLG | Settings Files |
| .CLR | Settings Files |
| .CMP | Settings Files |
| .CNF | Settings Files |
| .CONF | Settings Files |
| .COS | Settings Files |
| .CPF | Settings Files |
| .CTB | Settings Files |
| .CUS | Settings Files |
| .CVA | Settings Files |
| .CWF | Settings Files |
| .DBB | Settings Files |
| .DBG | Settings Files |
| .DCL | Settings Files |
| .DDF | Settings Files |
| .DICPROOF | Settings Files |
| .DIRECTORY | Settings Files |
| .DOWNLOADHO | Settings Files |
| .DPS | Settings Files |
| .DPV | Settings Files |
| .DRM | Settings Files |
| .DSW | Settings Files |
| .DS_STORE | Settings Files |
| Extension | File Description |
| .DUCK | Settings Files |
| .DUN | Settings Files |
| .DXP | Settings Files |
| .EAP | Settings Files |
| .ELM | Settings Files |
| .ENP | Settings Files |
| .ENS | Settings Files |
| .ENV | Settings Files |
| .ENZ | Settings Files |
| .EPR | Settings Files |
| .EQF | Settings Files |
| .EQL | Settings Files |
| .EQP | Settings Files |
| .ETFF | Settings Files |
| .EUM | Settings Files |
| .EV3 | Settings Files |
| .FAT | Settings Files |
| .FCC | Settings Files |
| .FDC | Settings Files |
| .FEV | Settings Files |
| .FFX | Settings Files |
| .FM3 | Settings Files |
| .FMT | Settings Files |
| .FT | Settings Files |
| .FWT | Settings Files |
| .GGT | Settings Files |
| .GID | Settings Files |
| .GTP | Settings Files |
| .GWS | Settings Files |
| .GXT | Settings Files |
| .HID | Settings Files |
| .HME | Settings Files |
| .HT | Settings Files |
| .IAF | Settings Files |
| .ICA | Settings Files |
| .ICC | Settings Files |
| .ICM | Settings Files |
| .IDF | Settings Files |
| .IGR | Settings Files |
| .IIT | Settings Files |
| .INF | Settings Files |
| .INI | Settings Files |
| .IPTHEME | Settings Files |
| .IRS | Settings Files |
| .ISP | Settings Files |
| .ISS | Settings Files |
| .IX | Settings Files |
| .JDF | Settings Files |
| .JISP | Settings Files |
| .JSF | Settings Files |
| .KBD | Settings Files |
| .KYB | Settings Files |
| .KYS | Settings Files |
| .L4D | Settings Files |
| .LANG | Settings Files |
| .LAYOUT | Settings Files |
| .LBU | Settings Files |
| .LGT | Settings Files |
| .LIST3820 | Settings Files |
| .LISTAFP | Settings Files |
| .LOOK | Settings Files |
| .LOP | Settings Files |
| .LVA | Settings Files |
| .LVF | Settings Files |
| .LYT | Settings Files |
| .M2S | Settings Files |
| .MAILHOST | Settings Files |
| .MAKE | Settings Files |
| .MAL | Settings Files |
| .MASK | Settings Files |
| .MCL | Settings Files |
| .MCW | Settings Files |
| .MDP | Settings Files |
| .MGK | Settings Files |
| .MGM | Settings Files |
