Browse file extensions by file type category:
Temporary file type extensions
(393 file extension database entries)
File extensions used by operating systems or software applications to store temporary data
Temporary file extension list
File extensions used by operating systems or software applications to store temporary data.
Temporary file types are created by computer programs to temporarily hold informations, e.g. when a program cannot allocate enough memory for its tasks, when the program is working on data bigger than the architecture's address space, or as a primitive form of inter-process communication.
Temporary files are often stored in special directory, which is created by operating system or by the application using the file. Some applications don't delete their own temporary files, because of crash or they do not have temporary file delete algorithm in their source code. Temporary files can over time use large amount of disk space, but they can be deleted by user without any unwanted effects such as the system or application crash. There are plenty of utilities, that can help with disk cleaning and are able to delete temporary files. The common file extension for temporary file is tmp or temp.
Sort by: Extension | Sort by: File type description |
file extension installstate | .NET Framework Installation file |
file extension fes | 3D Topicscape file format |
file extension ~$~ | 3GP/iPod/PSP/MP4 Converter temporary file |
file extension 4sw | 4DOS swap |
file extension 4sh | 4shared temporary download data |
file extension abc | ABC-View Manager thumbnail cache |
file extension vmc | Adobe Acrobat virtual memory |
file extension aecache | Adobe After Effects cache |
file extension pkf | Adobe Audition peak data file |
file extension bridgecachet | Adobe Bridge cache |
file extension bc | Adobe Bridge cache |
file extension bcm | Adobe Bridge cache |
file extension bct | Adobe Bridge cache |
file extension bridgecache | Adobe Bridge cache |
file extension adadownload | Adobe Download Assistant partially completed download |
file extension dlm | Adobe Download Manager partial download |
file extension aso | Adobe Flash cache |
file extension swd | Adobe Flash debug data |
file extension heu | Adobe Flash Player cache metadata |
file extension idlk | Adobe InDesign lock file |
file extension mpgindex | Adobe MPEG index |
file extension cfa | Adobe multimedia cache |
file extension md0 | Adobe Photoshop file browser metadata cache |
file extension tb0 | Adobe Photoshop file browser thumbnail cache |
file extension ims | Adobe Premiere Pro cache |
file extension prmdc | Adobe Premiere Pro metadata cache |
file extension qtindex | Adobe QTIndex file |
file extension muf | Alpha Five access control data |
file extension adblock | Alpha Five temporary |
file extension asx | Alpha Five temporary index |
file extension mpx | Alpha Five temporary index data |
file extension thumbdata3--number | Android MediaProvider thumbnail database |
file extension temp_audio | Android temporary audio file |
file extension temp_video | Android temporary video file |
file extension thumbdata5-1763508120_19 | Android thumbnail index |
file extension thumbdata5--1967290299_3 | Android thumbnail index |
file extension thumbdata4--1967290299 | Android thumbnail index |
file extension thumbdata4--1763508120 | Android thumbnail index |
file extension thumbdata5--1967290299_0 | Android thumbnail index |
file extension thumbdata3-1763508120 | Android thumbnail index |
file extension thumbdata3-1967290299 | Android thumbnail index |
file extension thumbdata5--1967290299_1 | Android thumbnail index |
file extension thumbdata5-1763508120_1 | Android thumbnail index |
file extension thumbdata5-1763508120_2 | Android thumbnail index |
file extension thumbdata5-1763508120_3 | Android thumbnail index |
file extension thumbdata5-1763508120_8 | Android thumbnail index |
file extension thumbdata5-1763508120_0 | Android thumbnail index |
file extension thumbdata5-1967290299_8 | Android thumbnail index |
file extension thumbdata5-1763508120_4 | Android thumbnail index |
file extension thumbdata5--1967290299_7 | Android thumbnail index |
file extension thumbdata5--1967290299_5 | Android thumbnail index |
file extension thumbdata5--1967290299_4 | Android thumbnail index |
file extension thumbdata5-1763508120_20 | Android thumbnail index |
file extension thumbdata5-1763508120_12 | Android thumbnail index |
file extension thumbdata5-1763508120_17 | Android thumbnail index |
file extension thumbdata3--1967290299 | Android Thumbnail index file |
file extension thumbdata3--1763508120 | Android thumbnail index file |
file extension thumbdata5--1763508120_0 | Android thumbnail index file |
file extension thumbdata5-1763508120_5 | Android thumbnail index file |
file extension thumbdata5-1763508120_6 | Android thumbnail index file |
file extension thumbdata5-1763508120_7 | Android thumbnail index file |
file extension csstore | Apple Mac OS X (macOS) cache |
file extension _501 | Apple macOS (OS X) data |
file extension db | Apple Safari cache database |
file extension download | Apple Safari partial download |
file extension inprogress | Apple Time Machine temporary data |
file extension snapdoc | Ashampoo Snap data |
file extension iniis | AsusSetup log |
file extension h64 | Audioless H.264 video data |
file extension dwl | AutoCAD drawing database locking information |
file extension $a | AutoCAD temporary data |
file extension cdc | Autodesk AutoCAD DesignCenter preview cache |
file extension t$m | AVG Internet Security temporary data |
file extension bt0 | Band-in-a-Box temporary data |
file extension bts | BitTorrent Sync unfinished download |
file extension bc | BitTorrent unfinished download |
file extension bc! | Bittorrent unfinished download |
file extension bphys | Blender cache |
file extension buf | Buffer file |
file extension objectcache | Cache |
file extension wov | Cakewalk SONAR cache clip |
file extension c1s | Capture One photo cache |
file extension f2l | Chemtool temporary data |
file extension download | Chrome partial download |
file extension citriodownload | Citrio incomplete download |
file extension db$ | Clarion Modula-2 temporary debug info |
file extension svn-work | CollabNet Subversion cache file |
file extension imgcache | Compressed picture cache |
file extension exd | Control Information Cache |
file extension pspcache | Corel PaintShop Pro cache |
file extension pspdeformationmap | Corel PaintShop Pro deformation map |
file extension meb | Corel WordPerfect Macro Editor bottom overflow |
file extension mex | Corel WordPerfect Macro Editor expound data |
file extension met | Corel WordPerfect Macro Editor top overflow file |
file extension blk | Corel WordPerfect Office temporary file |
file extension bv8 | Corel WordPerfect overflow data |
file extension tv5 | Corel WordPerfect overflow data |
file extension tv6 | Corel WordPerfect overflow data |
file extension tv8 | Corel WordPerfect overflow data |
file extension tv9 | Corel WordPerfect overflow data |
file extension bv2 | Corel WordPerfect overflow file |
file extension bv1 | Corel WordPerfect overflow file |
file extension bv3 | Corel WordPerfect overflow file |
file extension bv4 | Corel WordPerfect overflow file |
file extension bv5 | Corel WordPerfect overflow file |
file extension bv6 | Corel WordPerfect overflow file |
file extension bv7 | Corel WordPerfect overflow file |
file extension bv9 | Corel WordPerfect overflow file |
file extension tv1 | Corel WordPerfect overflow file |
file extension tv2 | Corel WordPerfect overflow file |
file extension tv3 | Corel WordPerfect overflow file |
file extension tv4 | Corel WordPerfect overflow file |
file extension tv7 | Corel WordPerfect overflow file |
file extension peb | Corel WordPerfect program editor bottom overflow |
file extension pft | Corel WordPerfect temporary data |
file extension cnv | Corel WordPerfect temporary data |
file extension spc | Corel WordPerfect temporary data |
file extension chk | Corel WordPerfect temporary file |
file extension pet | Corel WordPerfect top overflow data |
file extension mx1 | coucoucircus.org audio temporary data |
file extension dem | Creator Simulator temporary data |
file extension compo | DAZ 3D Carrara Pro 7 or 8 temporary file |
file extension t44 | dBASE IV temporary data |
file extension $db | dBASE IV temporary data |
file extension w44 | dBASE temporary |
file extension db$ | dBASE temporary file |
file extension dw3 | DeathWatch WebCrawler file format |
file extension identcache | Delphi temporary cache |
file extension ccc | Dev-C++ code completion cache |
file extension dir00 | Disk defrag error or dump file |
file extension ddat | DivX Web Player temporary download |
file extension dinfo | DivX Web Player temporary download |
file extension dmsk | DivX Web Player temporary download |
file extension dap | Download Accelerator partial download |
file extension dtapart | DownThemAll download part |
file extension m | DS photo for Android cache |
file extension vaf | DVD2SVCD temporary file |
file extension egt | EagleGet incomplete download |
file extension u96 | EasyZip temporary data |
file extension ebktml | eBook Pro encoded temporary file |
file extension filetablelock | Eclipse lock data |
file extension ewc2 | EDIUS WaveForm cache file |
file extension nmu | EMC Documentum Client Library query cache |
file extension journal | Equitrac cache |
file extension escopy | ES File Explorer temporary data |
file extension rcv | Eudora temporary download |
file extension pat | Extensible Storage Engine (ESE) patch file |
file extension fchc | Fetch cache file |
file extension fb! | FlashGet incomplete download |
file extension zsr | form-Z temporary saved data |
file extension sav | Free Download Manager download data |
file extension fdpart | Fresh Download partial downloaded data |
file extension fseventsd-uuid | fseventsd data |
file extension cache | Generally cache |
file extension grbdropfile | GetRight file |
file extension ^fsf | Ghostscript data |
file extension lai | GNU Libtool temporary data |
file extension 0 | Google Android cache |
file extension 1 | Google Android cache |
file extension mmsyscache | Google Android system cache |
file extension thumbnail | Google Android thumbnail cache |
file extension thumbdata3 | Google Android thumbnail database |
file extension thumbdata4 | Google Android thumbnail database |
file extension thumbdata5 | Google Android thumbnail database |
file extension thumbdata | Google Android thumbnail database |
file extension tombstone | Google Android tombstone data |
file extension crdownload | Google Chrome incomplete download |
file extension localstorage-journal | Google Chrome rollback journal data |
file extension ytf | Google Picasa font cache |
file extension ilp | Gurobi Optimizer temporary data |
file extension cached_icon | HERE Maps for Android icon cache |
file extension hex | Hex dump file format |
file extension @@2 | HiDownload temporary data |
file extension @@1 | HiDownload temporary data |
file extension xqp | I-Doser temporary data |
file extension vbt | iAntiVirus temporary scan data |
file extension chkn | IMVU Create Mode temporary data |
file extension clean | Instagram for Android cache |
file extension isl | InstallShield temporary installer file format |
file extension rgt | Intuit Quickbooks temporary data |
file extension ipe_tempfile | iPhone temporary data |
file extension loaded_0 | JavaScript cache |
file extension loaded_2 | JavaScript cache |
file extension loaded_3 | JavaScript cache |
file extension loaded_1 | JavaScript cache file |
file extension jnk | Junk temporary data |
file extension pkc | Jython JAR cache |
file extension )2( | LHA archiver temporary data |
file extension lock | Lock data |
file extension lck | Lock file |
file extension dtf | Lotus Domino server temporary data |
file extension appdownload | Mac OS App Store incomplete download |
file extension lockfile | Mac OS X Lion property list XML lock data |
file extension TemporaryItems | Mac OS X temporary data |
file extension indexarrays | Mac Spotlight data |
file extension indexpositions | macOS (OS X) Spotlight data |
file extension indexCompactDirectory | macOS (OS X) spotlight data |
file extension indexpositiontable | macOS (OS X) Spotlight data |
file extension shadowIndexTermIds | macOS (OS X) Spotlight data |
file extension shadowindexcompactdirectory | macOS (OS X) Spotlight data |
file extension shadowIndexGroups | macOS (OS X) spotlight data |
file extension indexdirectory | macOS (OS X) Spotlight data |
file extension mxdl | Maxthon incomplete download |
file extension dmp | Memory dump, screen dump, junk files |
file extension laccdb | Microsoft Access database lock file |
file extension wa~ | Microsoft Address Book data |
file extension $ed | Microsoft C++ editor temporary file |
file extension mdccache | Microsoft Document Connection cache file |
file extension alt | Microsoft Dynamics AX temporary data |
file extension stf | Microsoft Exchange Server temporary data |
file extension ncch | Microsoft Interner Explorer for Mac cache |
file extension dat | Microsoft Internet Explorer cache |
file extension waf | Microsoft Internet Explorer for Mac cache |
file extension wlx | Microsoft Live Mesh placeholder data |
file extension lrd | Microsoft Money lock data |
file extension ird | Microsoft Money temporary data |
file extension tt2 | Microsoft Office 2013 installation |
file extension fsf | Microsoft Office cache data |
file extension cvr | Microsoft Office/Outlook crash report |
file extension onecache | Microsoft OneNote cache file |
file extension onetmp | Microsoft OneNote temporary data |
file extension partial | Microsoft partially downloaded data |
file extension 001 | Microsoft SharePoint Server 2007 temporary |
file extension ci | Microsoft SharePoint Server 2007 temporary data |
file extension bsi | Microsoft SharePoint Server 2007 temporary data |
file extension bsd | Microsoft SharePoint Server 2007 temporary data |
file extension csd | Microsoft SharePoint Server 2007 temporary data |
file extension lex | Microsoft SharePoint Server 2007 temporary data |
file extension dia | Microsoft SharePoint Server 2007 temporary data |
file extension wsb | Microsoft SharePoint Server 2007 temporary file |
file extension wid | Microsoft SharePoint Server 2007 temporary file |
file extension dir | Microsoft SharePoint Server 2007 temporary file |
file extension hmap | Microsoft SharePoint Server 2007 temporary file |
file extension hmap.Dir | Microsoft SharePoint Server 2007 temporary file |
file extension 000 | Microsoft SharePoint Server 2007 temporary file |
file extension 002 | Microsoft SharePoint Server 2007 temporary file |
file extension csi | Microsoft SharePoint Server temporary data |
file extension wrk | Microsoft SQL Server log shipping data |
file extension 00a | Microsoft temporary data |
file extension bmc | Microsoft Terminal Server Client bitmap cache |
file extension vsscc | Microsoft Visual Studio temporary file |
file extension clp | Microsoft Windows clipboard data |
file extension ~nt | Microsoft Windows NT installation data |
file extension patchcache | Microsoft Windows patch cache |
file extension pnf | Microsoft Windows precompiled setup information data |
file extension regtrans-ms | Microsoft Windows registry changes temporary data |
file extension blf | Microsoft Windows registry data file |
file extension etl | Microsoft Windows trace log |
file extension wtmp | Microsoft Word for Mac 5 temporary data |
file extension as$ | Microsoft Word temporary file |
file extension msj | MicroSurvey CAD temporary |
file extension zl | Money S3 temporary data |
file extension sqlite-journal | Mozilla Firefox data |
file extension little | Mozilla Firefox start-up cache |
file extension download | Mozilla partial download |
file extension id3tag | MP3 Skype Recorder temporary data |
file extension tof | Mr. Photo temporary thumbnail |
file extension hrd | MSC Patran device-dependent hardcopy |
file extension mbc | Mulberry e-mail client cache |
file extension tmd | MySQL temporary database |
file extension npk | n-Track Studio waveform peak |
file extension save | Nano temporary saved data |
file extension wpk | Nero WaveEditor data |
file extension tmp | Nero WaveEditor peak data |
file extension moz | Netscape temporary cache |
file extension nb2 | Newsbin unfinished download |
file extension nc2 | NewsLeecher cache data |
file extension nov | NI Battery cache file |
file extension s | Nitpicker Ipflow file |
file extension rld | Norton Commander temporary data |
file extension omc | OMake cache |
file extension onebin | OneNote data |
file extension onlineresources | Online resources data |
file extension rdn | OpenSSL temporary data |
file extension oemigaccount | Outlook Express temporary data |
file extension if2 | PADS temporary data |
file extension ptn2 | PaperPort thumbnail cache |
file extension part | Partial download |
file extension wtmp | Partial torrent download |
file extension (d) | pcAnywhere temporary data |
file extension phc | Pegasus Mail header cache |
file extension pfc | Pegasus Mail message cache file |
file extension pm$ | Pegasus Mail temporary data |
file extension §§§ | Pegasus Mail temporary data |
file extension bu | Pegasus Mail temporary data |
file extension stf | PhotoImpression thumbnail cache |
file extension cos2 | Pinnacle Studio cache |
file extension pzx | Pizazz Plus swap data |
file extension ipl22 | PLATO Learning network temporary data |
file extension ipl | PLATO Web Learning Network (PWLN) temporary data |
file extension adm | Portfolio admin-level access flag |
file extension wfm | Pro Tools wave cache |
file extension bde | Pro/ENGINEER temporary |
file extension crc | Pro/ENGINEER temporary |
file extension ger | Pro/ENGINEER temporary |
file extension bdi | Pro/ENGINEER temporary data |
file extension bdm | Pro/ENGINEER temporary data |
file extension bmb | Pro/ENGINEER temporary data |
file extension als | Pro/ENGINEER temporary data |
file extension inf | Pro/ENGINEER temporary data |
file extension lst | Pro/ENGINEER temporary data |
file extension m_p | Pro/ENGINEER temporary data |
file extension out | Pro/ENGINEER temporary data |
file extension pls | Pro/ENGINEER temporary data |
file extension ref | Pro/ENGINEER temporary data |
file extension tst | Pro/ENGINEER temporary data |
file extension bom | Pro/ENGINEER temporary file |
file extension ers | Pro/ENGINEER temporary file |
file extension memb | Pro/ENGINEER temporary file |
file extension cdt | ProWORX Nxt temporary long comment data |
file extension qtmp | Qtracker mapshot pack |
file extension a$v | QuarkXpress automatically saved project |
file extension qbt | QuicBooks temporary rebuild file |
file extension qbi | QuickBooks image file |
file extension qp2 | QuickPar cache |
file extension qp1 | QuickPar cache |
file extension qdat | QuickTime installer cache |
file extension rad | Real Rhapsody cache |
file extension r1m | RealOne streaming media data |
file extension reapeaks | REAPER scratch data |
file extension ~cr | Recovered picture or data |
file extension asab | Repo temporary output data |
file extension cpd | RoboHelp cache project database |
file extension sfm | S Memo data cache |
file extension fuse_hidden | Samba data |
file extension lvl | Samsung Galaxy video thumbnail cache |
file extension tec | Samsung phones cached image |
file extension slxc | Simulink cache |
file extension sdx | Smart Diary Suite temporary |
file extension iff | SmartWare temporary merge data |
file extension sfk | Sony audio waveform visualisation data |
file extension file | Spotify cache |
file extension sqlite3-journal | SQLite temporary data |
file extension db-shm | SQLite temporary database |
file extension db-wal | SQLite temporary database |
file extension db3-journal | SQLite temporary database journal |
file extension steamstart | Steam Client temporary data |
file extension mov, | Switch data |
file extension aaa | Sybase SQL Anywhere temporary data |
file extension box | Systems Management Server (SMS) temporary holding area file |
file extension $$$ | Temporary data |
file extension tmp | Temporary data |
file extension mtx | Temporary data |
file extension ### | Temporary data |
file extension rsc_tmp | Temporary data |
file extension simpl_int | Temporary data |
file extension scuf | Temporary data |
file extension --- | Temporary file |
file extension dov | Temporary file |
file extension tmt | Temporary file |
file extension temp | Temporary file |
file extension rsx | Temporary Red Alert camera data |
file extension hax | Temporary wave data |
file extension torchdownload | Torch Web Browser partial download |
file extension tic | TruKnox cache |
file extension aria2 | uGet aria2 incomplete download |
file extension cah | Ulead Photo Explorer thumbnail cache |
file extension #$# | ULead Photoimpact temporary file |
file extension help | Unix help document |
file extension !ut | uTorrent incomplete download |
file extension cachedmsg | Valve Steam cache |
file extension swo | Vim temporary data |
file extension swn | Vim temporary data |
file extension vdjcache | VirtualDJ cache |
file extension dca | Visual Basic active designer cache |
file extension cache-2 | VLC media player font cache |
file extension cache-3 | VLC media player font cache |
file extension vmdk-converttmp | VMware Fusion temporary data |
file extension csac | Web Research collection optimization temporary data |
file extension nav2 | WinAVI temporary navigation data |
file extension wcc | Wincam 2000 cache |
file extension xp~ | WindowBlinds temporary data |
file extension sss~ | WindowBlinds temporary data |
file extension xp | WindowBlinds temporary data |
file extension xps | WindowBlinds temporary data |
file extension xps~ | WindowBlinds temporary data |
file extension preview7 | WindowBlinds temporary file |
file extension par | Windows 3.x swap |
file extension $vm | Windows 3.x Virtual Manager temporary data |
file extension fts | Windows Help index file |
file extension pcp | Windows Installer patch creation process data |
file extension rra | Windows Installer temporary data |
file extension filepart | WinSCP temporary transfer data |
file extension glh | Wise Installer temporary file |
file extension init | WM Keeper CLASSIC temporary keys |
file extension lref | WPF XAML cache |
file extension tbn | XBMC folder thumnail cache |
file extension xcuserstate | Xcode data |
file extension yumtx | YUM transaction data |
file extension zn~ | Zinio reader temporary data |
file extension zoner-index-cache | Zoner Photo Studio index cache |
file extension zoner-rawdata-cache | Zoner Photo Studio raw data cache |
file extension utpart | µTorrent unfinished download |