| Förlängning | Filbeskrivning |
| .AB | Backup filer |
| .ABF | Backup filer |
| .ADI | Backup filer |
| .ARC | Backup filer |
| .AS4 | Backup filer |
| .AS? | Backup filer |
| .BAC | Backup filer |
| .BAK | Backup filer |
| .BCK | Backup filer |
| .BCKP | Backup filer |
| .BDB | Backup filer |
| .BFF | Backup filer |
| .BIF | Backup filer |
| .BK1 | Backup filer |
| .BKC | Backup filer |
| .BKF | Backup filer |
| .BKP | Backup filer |
| .BPA | Backup filer |
| .BPM | Backup filer |
| .BPS | Backup filer |
| .BUP | Backup filer |
| .CBK | Backup filer |
| .CBS | Backup filer |
| .CBU | Backup filer |
| .DA0 | Backup filer |
| .DBK | Backup filer |
| .DIY | Backup filer |
| .DOV | Backup filer |
| .DSB | Backup filer |
| .FBC | Backup filer |
| .FBF | Backup filer |
| .FBK | Backup filer |
| .FBU | Backup filer |
| .FBW | Backup filer |
| .FH | Backup filer |
| .FHF | Backup filer |
| .FUL | Backup filer |
| .GB1 | Backup filer |
| .GBP | Backup filer |
| .GHO | Backup filer |
| .GHS | Backup filer |
| .IPD | Backup filer |
| .IV2I | Backup filer |
| .JBK | Backup filer |
| .LCB | Backup filer |
| .LLX | Backup filer |
| .MBF | Backup filer |
| .MBK | Backup filer |
| .MBW | Backup filer |
| .MDBACKUP | Backup filer |
| .MIG | Backup filer |
| .MPB | Backup filer |
| .NB7 | Backup filer |
| .NBA | Backup filer |
| .NBF | Backup filer |
| .NBI | Backup filer |
| Förlängning | Filbeskrivning |
| .NBU | Backup filer |
| .NCO | Backup filer |
| .NFB | Backup filer |
| .NFC | Backup filer |
| .NPF | Backup filer |
| .NPS | Backup filer |
| .NRS | Backup filer |
| .OEB | Backup filer |
| .OLD | Backup filer |
| .ONEPKG | Backup filer |
| .ORI | Backup filer |
| .ORIG | Backup filer |
| .PAQ | Backup filer |
| .PBB | Backup filer |
| .PBD | Backup filer |
| .PBF | Backup filer |
| .PDB | Backup filer |
| .PRV | Backup filer |
| .QBB | Backup filer |
| .QBM | Backup filer |
| .QBX | Backup filer |
| .QIC | Backup filer |
| .QSF | Backup filer |
| .RBC | Backup filer |
| .RBF | Backup filer |
| .RBK | Backup filer |
| .RRR | Backup filer |
| .SAV | Backup filer |
| .SBB | Backup filer |
| .SIS | Backup filer |
| .SKB | Backup filer |
| .SN1 | Backup filer |
| .SN2 | Backup filer |
| .SNA | Backup filer |
| .SPG | Backup filer |
| .SPI | Backup filer |
| .SPS | Backup filer |
| .SQB | Backup filer |
| .SRR | Backup filer |
| .STG | Backup filer |
| .SV$ | Backup filer |
| .SV2I | Backup filer |
| .TDB | Backup filer |
| .TIG | Backup filer |
| .TLG | Backup filer |
| .TMP | Backup filer |
| .TMR | Backup filer |
| .TRN | Backup filer |
| .UCI | Backup filer |
| .V2I | Backup filer |
| .WBK | Backup filer |
| .WIN | Backup filer |
| .WPB | Backup filer |
| .XBK | Backup filer |
| .XLK | Backup filer |
