| Extension | Description | Views |
| 10 | IBM Voice Type Script File | 46048 |
| abs | Absolute Database File | 76217 |
| accdb | Access Database File | 61672 |
| adb | Alpha Five Database Information File | 27825 |
| bfs | Tivoli Storage Manager File | 28988 |
| blg | Binary Performance Log File | 24832 |
| btn | Buttonware File | 32198 |
| cat | Advanced Disk Catalog File | 27961 |
| cdb | Symbian OS Contacts Database File | 32395 |
| cdd | ConceptDraw Document File | 71111 |
| cdw | CadKey Organized Dialogue File | 99952 |
| cfp | Quicken Cash Flow Projection File | 27327 |
| cgd | Cricket Graph Data File | 27328 |
| cli | Client Management System Customer File | 25978 |
| csv | Comma Seperated Values | 90324 |
| ctt | Messenger contacts file | 23509 |
| d10 | Drake Software Data File | 5821 |
| dat | DAT | 392745 |
| dat | Inno Setup Uninstall Log | 37916 |
| data | CoreFSIF database | 77943 |
| db | Database File | 431237 |
| db3 | dBase III Database File | 44560 |
| dbc | Visual FoxPro Databse File | 33041 |
| dbf | Database File | 129690 |
| ddm | Alpha Five Table Objects File | 24867 |
| dgdat | DoubleGIS Database File | 28340 |
| dropbox | Dropbox File | 68880 |
| dsn | ODBC Data Source File | 46087 |
| dta | Stata Dataset File | 37992 |
| edb | Exchange Information Store Database File | 43263 |
| esp | ACD/Labs Data File | 45152 |
| et | Easitech Lesson Data File | 41603 |
| etl | Microsoft Event Trace Log File | 119087 |
| ex4 | Expert Advisor File | 63570 |
| exp | Export File | 42735 |
| fcd | First Choice Database File | 15340 |
| fdb | Dynamics NAV Database File | 57543 |
| fid | Bruker Aspect NMR Data File | 14415 |
| fil | Files List File | 73553 |
| fo | XSL-FO Form File | 24514 |
| fp3 | FileMaker Pro 3 Database File | 19687 |
| frm | MySQL Database Format File | 45416 |
| gab | Global Address Book File | 21221 |
| gdb | Borland Interbase Database Files | 51984 |
| gp3 | Guitar Pro 3 Tablature File | 40224 |
| groups | WebMoney Group File | 21913 |
| ics | iCalendar Calendar File | 116301 |
| id2 | Windows Live Messenger Emoticon File | 24275 |
| idcl | Inventor Desktop Content File | 33381 |
| iff | Interchange File Format File | 30633 |
| iif | Quickbooks Interchange File | 20103 |
| ins | Inspiration File | 50931 |
| irx | Brewer Irradiation File | 39997 |
| itdb | iTunes Database File | 32290 |
| itl | Music Library File | 30893 |
| itx | ITX Form Template | 17426 |
| jgw | JPG World file | 27888 |
| joined | HJSplit Data File | 25540 |
| kdf | VisiQuest Data File | 26222 |
| kwi | Navigation Data File | 45367 |
| laccdb | Microsoft Access Lock File | 61634 |
| lbl | dBase Label File | 35263 |
| ldf | Server Transaction Log File | 36162 |
| ldif | LDAP Data Interchange Format File | 29632 |
| lib | AS/400 Library File | 50067 |
| lock | Net Framework Lock File | 59147 |
| mar | Microsoft Access Report File | 14961 |
| mat | Microsoft Access Shortcut File | 16123 |
| mat | MATLAB Binary File | 16978 |
| mbb | ManaBook File | 22590 |
| md | Chaos Desktop Metadata File | 74941 |
| mdb | Microsoft Access Database File | 105789 |
| mde | Microsoft Access Compiled Database File | 39612 |
| mdl | Rose Model File | 49978 |
| mdx | Database Index File | 135541 |
| menc | Windows Mobile Encrypted File | 53645 |
| met | eMule Information File | 41836 |
| mir | Bauhaus Mirage Data File | 31741 |
| mls | Milestones Simplicity Project File | 21777 |
| mny | Microsoft Money Data File | 24312 |
| mobi | Mobipocket E-Book File | 193841 |
| mpd | Microsoft Project Database File | 14856 |
| mpl | Playlist Data File | 60084 |
| mpls | Mathcad Font File | 11182 |
| mpp | Microsoft Project File | 81584 |
| mta | AllShare Metadate File | 34629 |
| net | netViz Project File | 45914 |
| nfs | Network File System Temporary File | 25089 |
| nm | Number Magic File | 22241 |
| ntw | Lode Data Network File | 34899 |
| odp | OpenOffice Presentation File | 90939 |
| ods | OpenOffice Spreadsheet File | 194793 |
| ofc | Open Financial Connectivity File | 26106 |
| ofx | Open Financial Exchange File | 42004 |
| one | OneNote Document File | 53569 |
| opd | Optical Path Difference File | 26181 |
| org | Lotus Organizer File | 37265 |
| ost | Outlook Offline File | 31657 |
| out | Output File | 44168 |
| ovl | Rollercoaster Tycoon Data File | 27126 |
| p | Database Procedure File | 32802 |
| p2p | FolderShare File | 23777 |
| pck | Received Package File | 45583 |
| pdb | PowerDesigner physical model | 73909 |
| pf | Windows Prefetch File | 80198 |
| pfl | Family Lawyer Data File | 22977 |
| pj2 | Projector File | 19199 |
| pkt | Packet Tracer Network Simulation File | 44827 |
| poi | Magellan Maestro POI File | 24831 |
| pps | Powerpoint Slideshow File | 171539 |
| ppsx | Microsoft Office PowerPoint Slide Show File | 70390 |
| ppt | Powerpoint Slideshow File | 326106 |
| pptx | Powerpoint Presentation File | 363017 |
| pst | Outlook Personal Information File | 86531 |
| ptb | Power Tab Editor File | 33219 |
| ptt | MapPoint Template File | 25605 |
| qfx | Quicken Financial Exchange File | 29686 |
| qif | Quicken Import File | 41494 |
| qrp | QuickReport Report Files | 59404 |
| rdata | R Data File | 26177 |
| rdb | Redis Database File | 25916 |
| rpt | Report File | 70053 |
| rsd | RealSQLDatabase File | 46174 |
| sal | SORITEC Data File | 39857 |
| sbf | SmartBroker Pro Data File | 32768 |
| sfv | Simple File Verification | 192324 |
| shs | Shell Scrap File | 308609 |
| snp | Microsoft Acess Report Snapshot File | 35042 |
| spo | SPSS Data Output File | 28487 |
| sps | IBM SPSS File | 24516 |
| sql | Structured Query Language Data File | 62789 |
| sqlite | SQLite Database File | 65737 |
| stp | STEP File | 28152 |
| str | dBASE Structure List Object File | 39872 |
| ta0 | TaxAct File | 18643 |
| tar | Compressed Tape Archive File | 48185 |
| tbk | FoxPro Memo Field Backup File | 10742 |
| tdt | Thor Datatree File | 44014 |
| tec | Tecplot Analysis File | 149353 |
| tps | Clarion TopSpeed Data File | 10047 |
| tps | Multi Channel Measurement File | 5146 |
| tvr | Navicat for MySQL File | 29905 |
| tw | TW File | 31788 |
| uccapilog | UCC API Log File | 52048 |
| v2 | Microsoft Live Messenger Data file | 24509 |
| vce | Visual CE Class Type File | 31240 |
| vcf | vCard File | 73340 |
| w02 | Multiple Archive File | 41331 |
| wft | Nicolet WFT Export File | 22756 |
| wlmp | Live Movie Maker Project File | 142295 |
| wmdb | Windows Media Database File | 28060 |
| woc | Widows Orgchart Organization Chart File | 13247 |
| woc | Microsoft Office 2007 Organization File | 13146 |
| wtc | Watertec Database | 27868 |
| xlsx | Microsoft Excel XML File | 566099 |
| xml | Extensible Markup Language | 79380 |
| xtm | Xtremsplit Data File | 32642 |
| zix | Quicken Data File | 13785 |