Filtillägg börjar med tecknet "K"
| FILTYP | Kategori | Filformat | |
|---|---|---|---|
| .kap | Data Files | BSB Diagram bildfil | |
| .kar | MIDI Files | Karaoke MIDI-fil | |
| .kbs | Data Files | Tangentbord Script File | |
| .kdbx | Data Files | KeePass lösenordsdatabasen | |
| .kdc | Data Files | Kaspersky Virus databasfil | |
| .kde | Kaspersky Data Files | Kryptostorage Container fil | |
| .kdenlive | Digital Video Files | Kdenlive projektfil | |
| .kdz | Kaspersky Data Files | Kaspersky Virus Baser Fil | |
| .key | Microsoft Files | Keynote Presentation | |
| .kgb | Compressed Files | KGB Arkivfil | |
| .kid | Data Files | Kidspiration Document | |
| .kismac | Data Files | KisMAC Webservice File | |
| .klg | Text Files | Loggfil | |
| .kml | eBook Files | Keyhole Markup Language File | |
| .kmz | Google Files | Google Earth märke Arkiv | |
| .knt | Text Files | KeyNote Note File | |
| .kon | Text Files | Yahoo! Widget XML-fil | |
| .koob | eBook Files | Koob E-bokfil | |
| .kpf | Data Files | Komodo Project File | |
| .kpl | Development Files | Barn programmeringsspråk Arkiv | |
| .kpp | Data Files | Kid Pix Presentation | |
| .kpr | Data Files | KPresenter Presentation | |
| .kpx | Data Files | Kid Pix Bild | |
| .kpz | Data Files | Komodo mallfil | |
| .krz | Audio Files | Kurzweil K2000 File | |
| .ks | Microsoft Files | Kickstart fil | |
| .ksf | Audio Files | Korg Trinity / Triton Prov fil | |
| .kth | Data Files | inlednings tema | |
| .kvtml | Data Files | KWordQuiz File | |
| .kwd | Text Files | KWord Document | |
| .kz | Archive Files | KuaiZip komprimerade filen |