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