Backup File Types
The Backup Files category includes individual file backups and files related to backup software. Individual backup files are often generated automatically by software programs. Backup software files include incremental backups and full system backups.
Common backup file extensions include .BAK, .TMP, and .GHO.
| Extension | File Description | Popularity |
|---|---|---|
| .$$$ | Temporary File | Rare |
| .$db | dBASE Temporary File | Uncommon |
| .001 | Norton Ghost Disk Backup | Average |
| .001 | Split Archive File | Common |
| .002 | Split Archive Part 2 File | Average |
| .113 | Iomega Backup File | Rare |
| .aba | Palm Address Book Archive | Average |
| .abbu | Address Book Backup | Average |
| .abf | Analysis Services Backup File | Average |
| .abk | Automatic Backup File | Average |
| .acp | Alfresco Content Package | Average |
| .acr | Acer eRecovery Management Backup File | Uncommon |
| .adi | Active@ Disk Image Backup File | Average |
| .aea | AdWords Editor Archive | Average |
| .arc | Symbian OS Backup File | Common |
| .arc | Norton Backup Archive | Average |
| .as4 | askSam Backup File | Uncommon |
| .asd | Word AutoSave File | Common |
| .ashbak | Ashampoo Backup Archive | Average |
| .ate | Office Accounting Compressed Backup File | Uncommon |
| .ati | Office Accounting Updated Company File | Uncommon |
| .bac | Backup File | Rare |
| .backupdb | Time Machine Backup Folder | Average |
| .bak | Backup File | Very Common |
| .bak | Firefox Bookmarks Backup | Average |
| .bak | ACT! Backup File | Average |
| .bak~ | AbiWord Auto-Saved Document | Uncommon |
| .bbb | BlackBerry Mobile Phone Backup File | Average |
| .bck | VMX Backup File | Average |
| .bckp | Ad-Aware Quarantined File | Average |
| .bcm | Microsoft Works Communications Script Backup | Uncommon |
| .bdb | Microsoft Works Database Backup File | Average |
| .bff | Backup File Format | Average |
| .bif | Get Backup Project File | Uncommon |
| .bifx | Get Backup Project | Uncommon |
| .bk1 | ERwin Backup File | Rare |
| .bk1 | Autodesk Backup File | Uncommon |
| .bkc | Backup4all Backup Catalog | Average |
| .bkf | Windows Backup Utility File | Average |
| .bkp | Backup File | Common |
| .bkp | Zapback Backup File | Rare |
| .blend1 | Blender Document Backup File | Average |
| .blend2 | Blender Document Backup 2 File | Uncommon |
| .bmk | BillMinder Backup File | Uncommon |
| .bpa | StorageSync Backup Archive | Average |
| .bpb | PowerDesigner Business Process Backup File | Uncommon |
| .bpm | PowerDesigner Business Process Model | Average |
| .bps | Works Document Backup | Rare |
| .bup | DVD IFO Backup File | Common |
| .bup | Backup File | Average |
| .cbk | Backup Configuration File | Rare |
| .ck9 | Cook'n Cookbook Backup File | Uncommon |
| .cmf | Connected Backup File | Rare |
| .crds | Windows CardSpace Backup File | Average |
| .da0 | Windows Registry Backup File | Uncommon |
| .dba | Palm Datebook Backup File | Common |
| .dbk | dBASE Database Backup | Average |
| .dbk | Sony Ericsson Mobile Phone Backup File | Common |
| .dna | CA Backup and Migration Backup File | Average |
| .dov | Temp File | Rare |
| .fbc | Family Tree Maker for DOS Backup File | Average |
| .fbf | Free Backup Fix Backup File | Average |
| .fbk | Microsoft Dynamics NAV Backup File | Average |
| .fbk | Family Tree Maker for Windows Backup File | Average |
| .fbu | FEBE Firefox Backup File | Average |
| .fbw | HP Recovery Manager Backup File | Common |
| .fh | Symantec Backup Exec File | Average |
| .fhf | Free Hide Folder Backup File | Uncommon |
| .flka | Folder Lock Portable Locker File | Average |
| .flkb | Folder Lock Basic Locker File | Average |
| .ful | Microsoft Backup File List | Average |
| .gb1 | Game Maker Backup File | Average |
| .gbp | Genie Timeline Backup Index File | Average |
| .gho | Norton Ghost Backup File | Very Common |
| .ghs | Norton Ghost Image Segment | Average |
| .icbu | iCal Backup File | Average |
| .ipd | BlackBerry Backup File | Average |
| .iv2i | Norton Ghost Incremental Virtual Volume Image | Average |
| .jbk | Juno Backup File | Uncommon |
| .jdc | JDownloader Links File | Uncommon |
| .kb2 | Kleo Backup File | Average |
| .lcb | Living Cookbook Backup File | Average |
| .llx | LabVIEW VI Library Backup File | Average |
| .mbw | MBRWizard Archive | Rare |
| .mdbackup | iPhone Data Backup File | Average |
| .mddata | iPhone Backup File | Common |
| .mdinfo | iPhone Backup Information File | Common |
| .mem | FoxPro Variable File | Average |
| .mig | Windows Migration Backup File | Uncommon |
| .mpb | MyPhoneExplorer Backup File | Uncommon |
| .mv_ | Movie Edit Pro Movie Backup File | Uncommon |
| .nb7 | NovaBACKUP Output File | Uncommon |
| .nba | Nero BackItUp Archive | Common |
| .nbd | NovaBACKUP File | Average |
| .nbf | Backup Now Archive | Uncommon |
| .nbf | Nokia Backup File | Average |
| .nbi | Nero BackItUp Information File | Average |
| .nbk | NovaBACKUP Backup Script | Uncommon |
| .nbs | NTI Backup Set | Average |
| .nbu | Nokia Phone Backup File | Common |
| .nco | Nero BackItUp File | Average |
| .nfb | Nokia Phone Backup File | Average |
| .nfc | Nokia Phone Backup Copy File | Average |
| .npf | NTI Partition File | Average |
| .nps | NTI Partition Set | Average |
| .nrs | NovaBACKUP Restore Script | Rare |
| .oeb | Outlook Express Backup Wizard File | Average |
| .old | Backup File | Common |
| .onepkg | Microsoft OneNote Package File | Average |
| .ori | Original File | Very Common |
| .orig | Original File | Common |
| .oyx | Approach Alternate Database Index | Average |
| .paq | Hewlett-Packard Software Restore File | Average |
| .pbb | AT&T Phonebook File | Uncommon |
| .pbf | Paragon Backup File | Average |
| .pdb | PowerDesigner Database Backup File | Uncommon |
| .prv | Free Folder Hider Backup File | Uncommon |
| .psa | Plesk Backup File | Uncommon |
| .pvc | Parallels Desktop Copied Configuration File | Uncommon |
| .qbb | QuickBooks Backup File | Average |
| .qbk | QuickTax Backup File | Average |
| .qbm | QuickBooks Portable Company File | Average |
| .qbmb | QuickBooks Backup File | Average |
| .qbmd | QuickBooks Backup File | Average |
| .qbx | QuickBooks Accountant Transfer File | Average |
| .qic | Windows Backup File | Average |
| .qsf | Qualtrics Survey File | Average |
| .qv~ | ViewletBuilder Project Backup File | Uncommon |
| .rbc | Retrospect Backup Catalog File | Average |
| .rbf | Retrospect Backup File | Uncommon |
| .rbf | Windows Installer Rollback File | Average |
| .rbk | Windows 95 Registry Backup File | Uncommon |
| .rbs | Windows Installer Rollback Script | Average |
| .rdb | Retrospect Backup Set | Average |
| .rgmb | RootsMagic Backup File | Uncommon |
| .rrr | Registry Mechanic Backup File | Average |
| .sav | Parallels Desktop Saved State Image File | Uncommon |
| .sbb | Office Accounting Company Backup File | Uncommon |
| .sbs | Secure Backup System File | Uncommon |
| .sdc | Stardock Central Download Archive | Uncommon |
| .sim | Steam Game Backup Information File | Uncommon |
| .sis | Steam Game Backup Information File | Average |
| .skb | SketchUp Backup Document | Average |
| .sn1 | Drive Snapshot First Differential Backup | Average |
| .sn2 | Drive Snapshot Second Differential Backup | Average |
| .sna | Drive Snapshot Primary Backup File | Average |
| .spf | ShadowProtect Full Backup File | Uncommon |
| .spg | TCP Optimizer Backup File | Average |
| .spi | ShadowProtect Incremental Backup File | Uncommon |
| .sps | SyncBack Settings File | Average |
| .sqb | SQL Backup SQL Server Backup File | Average |
| .srr | ReScene Metadata File | Average |
| .stg | ActiveSync Backup File | Average |
| .sv2i | Symantec System Index File | Average |
| .tbk | FoxPro Memo Backup | Average |
| .tdb | eBay Turbo Lister Backup File | Average |
| .tig | TI Connect Backup File | Average |
| .tlg | QuickBooks Transaction Log File | Common |
| .tmp | Temporary File | Very Common |
| .trn | SQL Server Transaction Log Backup File | Average |
| .ttbk | Canadian TurboTax 2010 Backup File | Average |
| .uci | UFS Explorer Backup File | Average |
| .v2i | Norton Ghost Virtual Volume Image | Average |
| .vbox-prev | Oracle VM VirtualBox Settings Backup File | Average |
| .vpcbackup | Windows Virtual PC Backup File | Uncommon |
| .wbb | WinBackup Archive | Rare |
| .wbcat | Windows Backup Catalog File | Average |
| .wbk | Word Document Backup | Average |
| .win | FoxPro Window Settings | Rare |
| .win | Windows Backup File | Rare |
| .wjf | WinZip Job File | Average |
| .wpb | Windows Phone Device Manager Backup File | Rare |
| .xbk | XenServer Backup File | Average |
| .xlk | Excel Backup File | Average |
| .__a | File Splitter & Joiner Encrypted File | Uncommon |
| .__b | File Splitter & Joiner Encrypted Archive File | Average |