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 part | Partial download |
![]() | Google Chrome incomplete download |
![]() | Temporary data |
![]() | Microsoft SharePoint Server temporary data |
file extension thumbdata3--1967290299 | Android Thumbnail index file |
file extension thumbdata3--1763508120 | Android thumbnail index file |
file extension thumbdata4--1967290299 | Android thumbnail index |
file extension thumbdata5--1763508120_0 | Android thumbnail index file |
![]() | Adobe multimedia cache |
![]() | Microsoft Windows trace log |
![]() | Memory dump, screen dump, junk files |
file extension thumbdata5--1967290299_0 | Android thumbnail index |
file extension thumbdata5-1763508120_1 | Android thumbnail index |
![]() | AutoCAD drawing database locking information |
file extension ~cr | Recovered picture or data |
file extension egt | EagleGet incomplete download |
file extension loaded_0 | JavaScript cache |
file extension thumbdata5--1967290299_1 | Android thumbnail index |
file extension thumbdata3--number | Android MediaProvider thumbnail database |
file extension ewc2 | EDIUS WaveForm cache file |
file extension torchdownload | Torch Web Browser partial download |
file extension thumbdata4--1763508120 | Android thumbnail index |
file extension sfk | Sony audio waveform visualisation data |
file extension npk | n-Track Studio waveform peak |
file extension sav | Free Download Manager download data |
file extension hex | Hex dump file format |
file extension thumbdata | Google Android thumbnail database |
file extension loaded_1 | JavaScript cache file |
file extension 0 | Google Android cache |
file extension fseventsd-uuid | fseventsd data |
file extension imgcache | Compressed picture cache |
file extension thumbdata4 | Google Android thumbnail database |
file extension mxdl | Maxthon incomplete download |
file extension cache | Generally cache |
file extension tt2 | Microsoft Office 2013 installation |
file extension filepart | WinSCP temporary transfer data |
![]() | Mozilla partial download |
Microsoft Access database lock file | |
file extension lck | Lock file |
![]() | Microsoft Windows precompiled setup information data |
file extension reapeaks | REAPER scratch data |
file extension clean | Instagram for Android cache |
file extension thumbdata5 | Google Android thumbnail database |
![]() | Microsoft Windows registry changes temporary data |
file extension thumbdata5-1763508120_2 | Android thumbnail index |
file extension thumbnail | Google Android thumbnail cache |
file extension cvr | Microsoft Office/Outlook crash report |
file extension !ut | uTorrent incomplete download |
file extension db-wal | SQLite temporary database |
file extension lock | Lock data |
![]() | Microsoft SharePoint Server 2007 temporary data |
file extension thumbdata5--1967290299_3 | Android thumbnail index |
![]() | Microsoft Windows registry data file |
BitTorrent unfinished download | |
file extension db-shm | SQLite temporary database |
file extension thumbdata3-1763508120 | Android thumbnail index |
file extension thumbdata5-1967290299_8 | Android thumbnail index |
file extension partial | Microsoft partially downloaded data |
file extension nov | NI Battery cache file |
file extension localstorage-journal | Google Chrome rollback journal data |
file extension temp | Temporary file |
file extension pkf | Adobe Audition peak data file |
file extension chkn | IMVU Create Mode temporary data |
file extension thumbdata5--1967290299_4 | Android thumbnail index |
file extension thumbdata3 | Google Android thumbnail database |
file extension pcp | Windows Installer patch creation process data |
file extension thumbdata5--1967290299_5 | Android thumbnail index |
file extension thumbdata5--1967290299_7 | Android thumbnail index |
![]() | Apple macOS (OS X) data |
file extension thumbdata5-1763508120_3 | Android thumbnail index |
![]() | Systems Management Server (SMS) temporary holding area file |
file extension mmsyscache | Google Android system cache |
file extension swo | Vim temporary data |
![]() | Adobe Download Manager partial download |
file extension installstate | .NET Framework Installation file |
![]() | Mozilla Firefox data |
file extension rra | Windows Installer temporary data |
file extension swn | Vim temporary data |
file extension tec | Samsung phones cached image |
![]() | Adobe Flash cache |
file extension lvl | Samsung Galaxy video thumbnail cache |
file extension thumbdata5-1763508120_6 | Android thumbnail index file |
Microsoft Money lock data | |
![]() | Corel WordPerfect Macro Editor bottom overflow |
![]() | Microsoft Internet Explorer cache |
file extension onebin | OneNote data |
Bittorrent unfinished download | |
![]() | Mozilla Firefox start-up cache |
![]() | Steam Client temporary data |
file extension loaded_3 | JavaScript cache |
file extension adadownload | Adobe Download Assistant partially completed download |
![]() | Netscape temporary cache |
file extension aaa | Sybase SQL Anywhere temporary data |
file extension dap | Download Accelerator partial download |
file extension rld | Norton Commander temporary data |
file extension h64 | Audioless H.264 video data |
file extension loaded_2 | JavaScript cache |
file extension rcv | Eudora temporary download |
file extension tmt | Temporary file |
file extension cachedmsg | Valve Steam cache |
file extension tombstone | Google Android tombstone data |
![]() | Microsoft Windows clipboard data |
file extension thumbdata5-1763508120_5 | Android thumbnail index file |
file extension prmdc | Adobe Premiere Pro metadata cache |
file extension bts | BitTorrent Sync unfinished download |
file extension isl | InstallShield temporary installer file format |
file extension indexarrays | Mac Spotlight data |
file extension bu | Pegasus Mail temporary data |
file extension dtapart | DownThemAll download part |
file extension thumbdata5-1763508120_12 | Android thumbnail index |
file extension save | Nano temporary saved data |
![]() | Mac OS X temporary data |
file extension thumbdata5-1763508120_8 | Android thumbnail index |
file extension buf | Buffer file |
file extension slxc | Simulink cache |
file extension csstore | Apple Mac OS X (macOS) cache |
file extension waf | Microsoft Internet Explorer for Mac cache |
![]() | Chrome partial download |
file extension ims | Adobe Premiere Pro cache |
file extension indexpositions | macOS (OS X) Spotlight data |
![]() | Nero WaveEditor peak data |
file extension tof | Mr. Photo temporary thumbnail |
![]() | Adobe Bridge cache |
file extension objectcache | Cache |
Corel WordPerfect overflow data | |
file extension thumbdata3-1967290299 | Android thumbnail index |
file extension cah | Ulead Photo Explorer thumbnail cache |
![]() | Adobe InDesign lock file |
file extension thumbdata5-1763508120_4 | Android thumbnail index |
file extension aria2 | uGet aria2 incomplete download |
file extension db3-journal | SQLite temporary database journal |
file extension thumbdata5-1763508120_19 | Android thumbnail index |
file extension rgt | Intuit Quickbooks temporary data |
file extension tbn | XBMC folder thumnail cache |
file extension msj | MicroSurvey CAD temporary |
file extension onecache | Microsoft OneNote cache file |
file extension as$ | Microsoft Word temporary file |
file extension journal | Equitrac cache |
file extension glh | Wise Installer temporary file |
![]() | Apple Safari partial download |
![]() | Microsoft Terminal Server Client bitmap cache |
file extension thumbdata5-1763508120_17 | Android thumbnail index |
file extension bdm | Pro/ENGINEER temporary data |
![]() | Control Information Cache |
file extension tic | TruKnox cache |
Corel WordPerfect temporary data | |
file extension thumbdata5-1763508120_7 | Android thumbnail index file |
![]() | Microsoft SharePoint Server 2007 temporary data |
file extension hax | Temporary wave data |
file extension indexCompactDirectory | macOS (OS X) spotlight data |
file extension fuse_hidden | Samba data |
file extension shadowIndexGroups | macOS (OS X) spotlight data |
file extension )2( | LHA archiver temporary data |
file extension rdn | OpenSSL temporary data |
file extension bmb | Pro/ENGINEER temporary data |
![]() | Autodesk AutoCAD DesignCenter preview cache |
![]() | Microsoft SharePoint Server 2007 temporary data |
file extension ptn2 | PaperPort thumbnail cache |
file extension indexpositiontable | macOS (OS X) Spotlight data |
file extension hrd | MSC Patran device-dependent hardcopy |
file extension snapdoc | Ashampoo Snap data |
file extension id3tag | MP3 Skype Recorder temporary data |
file extension bom | Pro/ENGINEER temporary file |
file extension help | Unix help document |
file extension thumbdata5-1763508120_0 | Android thumbnail index |
![]() | Google Picasa font cache |
file extension dca | Visual Basic active designer cache |
file extension sfm | S Memo data cache |
file extension citriodownload | Citrio incomplete download |
file extension onetmp | Microsoft OneNote temporary data |
file extension shadowIndexTermIds | macOS (OS X) Spotlight data |
file extension mx1 | coucoucircus.org audio temporary data |
file extension fsf | Microsoft Office cache data |
file extension filetablelock | Eclipse lock data |
file extension cache-2 | VLC media player font cache |
file extension bridgecachet | Adobe Bridge cache |
file extension shadowindexcompactdirectory | macOS (OS X) Spotlight data |
QuicBooks temporary rebuild file | |
file extension pkc | Jython JAR cache |
file extension rsx | Temporary Red Alert camera data |
file extension identcache | Delphi temporary cache |
Corel WordPerfect Macro Editor expound data | |
file extension sqlite3-journal | SQLite temporary data |
file extension ilp | Gurobi Optimizer temporary data |
file extension fb! | FlashGet incomplete download |
file extension thumbdata5-1763508120_20 | Android thumbnail index |
file extension m_p | Pro/ENGINEER temporary data |
![]() | Windows 3.x Virtual Manager temporary data |
file extension cache-3 | VLC media player font cache |
file extension utpart | µTorrent unfinished download |
file extension mbc | Mulberry e-mail client cache |
file extension xp | WindowBlinds temporary data |
file extension file | Spotify cache |
file extension cos2 | Pinnacle Studio cache |
file extension xcuserstate | Xcode data |
file extension ccc | Dev-C++ code completion cache |
file extension indexdirectory | macOS (OS X) Spotlight data |
file extension wov | Cakewalk SONAR cache clip |
![]() | Microsoft SharePoint Server 2007 temporary file |
file extension init | WM Keeper CLASSIC temporary keys |
file extension rsc_tmp | Temporary data |
file extension wfm | Pro Tools wave cache |
file extension bphys | Blender cache |
file extension escopy | ES File Explorer temporary data |
Corel WordPerfect overflow file | |
Corel WordPerfect overflow data | |
file extension vdjcache | VirtualDJ cache |
file extension lai | GNU Libtool temporary data |
file extension pm$ | Pegasus Mail temporary data |
file extension aecache | Adobe After Effects cache |
file extension $ed | Microsoft C++ editor temporary file |
file extension heu | Adobe Flash Player cache metadata |
file extension tst | Pro/ENGINEER temporary data |
![]() | Apple Safari cache database |
file extension 1 | Google Android cache |
Corel WordPerfect program editor bottom overflow | |
file extension 4sh | 4shared temporary download data |
file extension wcc | Wincam 2000 cache |
file extension bridgecache | Adobe Bridge cache |
file extension yumtx | YUM transaction data |
file extension ~$~ | 3GP/iPod/PSP/MP4 Converter temporary file |
file extension $db | dBASE IV temporary data |
file extension --- | Temporary file |
file extension nc2 | NewsLeecher cache data |
![]() | Microsoft SharePoint Server 2007 temporary file |
file extension appdownload | Mac OS App Store incomplete download |
file extension bde | Pro/ENGINEER temporary |
![]() | pcAnywhere temporary data |
file extension pzx | Pizazz Plus swap data |
file extension crc | Pro/ENGINEER temporary |
file extension oemigaccount | Outlook Express temporary data |
![]() | DivX Web Player temporary download |
file extension 00a | Microsoft temporary data |
file extension bdi | Pro/ENGINEER temporary data |
file extension a$v | QuarkXpress automatically saved project |
file extension inf | Pro/ENGINEER temporary data |
![]() | Microsoft Windows NT installation data |
Corel WordPerfect overflow file | |
file extension qdat | QuickTime installer cache |
file extension pfc | Pegasus Mail message cache file |
file extension @@1 | HiDownload temporary data |
![]() | Microsoft SharePoint Server 2007 temporary file |
file extension xps~ | WindowBlinds temporary data |
![]() | Adobe MPEG index |
Corel WordPerfect overflow file | |
file extension cpd | RoboHelp cache project database |
![]() | Apple Time Machine temporary data |
Corel WordPerfect overflow file | |
Corel WordPerfect temporary file | |
![]() | Microsoft SharePoint Server 2007 temporary file |
file extension lst | Pro/ENGINEER temporary data |
Corel WordPerfect overflow file | |
file extension db$ | Clarion Modula-2 temporary debug info |
file extension xp~ | WindowBlinds temporary data |
file extension pspcache | Corel PaintShop Pro cache |
file extension jnk | Junk temporary data |
Corel WordPerfect overflow file | |
file extension mov, | Switch data |
Microsoft Money temporary data | |
file extension zoner-rawdata-cache | Zoner Photo Studio raw data cache |
file extension simpl_int | Temporary data |
file extension qp1 | QuickPar cache |
file extension temp_video | Android temporary video file |
file extension nb2 | Newsbin unfinished download |
Corel WordPerfect overflow file | |
file extension svn-work | CollabNet Subversion cache file |
QuickBooks image file | |
file extension sss~ | WindowBlinds temporary data |
![]() | Real Rhapsody cache |
file extension vsscc | Microsoft Visual Studio temporary file |
file extension csac | Web Research collection optimization temporary data |
file extension qp2 | QuickPar cache |
file extension sdx | Smart Diary Suite temporary |
file extension ipe_tempfile | iPhone temporary data |
file extension adblock | Alpha Five temporary |
![]() | Windows 3.x swap |
![]() | Adobe Photoshop file browser thumbnail cache |
file extension f2l | Chemtool temporary data |
file extension xqp | I-Doser temporary data |
file extension m | DS photo for Android cache |
Microsoft Word for Mac 5 temporary data | |
file extension dtf | Lotus Domino server temporary data |
file extension dem | Creator Simulator temporary data |
file extension w44 | dBASE temporary |
file extension t44 | dBASE IV temporary data |
file extension tmd | MySQL temporary database |
file extension patchcache | Microsoft Windows patch cache |
file extension wtmp | Partial torrent download |
ULead Photoimpact temporary file | |
file extension ^fsf | Ghostscript data |
file extension lref | WPF XAML cache |
file extension onlineresources | Online resources data |
file extension @@2 | HiDownload temporary data |
![]() | DivX Web Player temporary download |
file extension zoner-index-cache | Zoner Photo Studio index cache |
file extension ### | Temporary data |
file extension dov | Temporary file |
file extension phc | Pegasus Mail header cache |
![]() | Microsoft Address Book data |
file extension cached_icon | HERE Maps for Android icon cache |
![]() | Extensible Storage Engine (ESE) patch file |
file extension wrk | Microsoft SQL Server log shipping data |
Corel WordPerfect overflow data | |
![]() | Adobe Photoshop file browser metadata cache |
Corel WordPerfect overflow file | |
file extension $$$ | Temporary data |
file extension ers | Pro/ENGINEER temporary file |
file extension fdpart | Fresh Download partial downloaded data |
file extension als | Pro/ENGINEER temporary data |
Adobe Acrobat virtual memory | |
![]() | Microsoft Exchange Server temporary data |
file extension bt0 | Band-in-a-Box temporary data |
Corel WordPerfect top overflow data | |
Corel WordPerfect overflow data | |
![]() | Adobe Flash debug data |
![]() | Windows Help index file |
file extension compo | DAZ 3D Carrara Pro 7 or 8 temporary file |
file extension zn~ | Zinio reader temporary data |
![]() | Microsoft SharePoint Server 2007 temporary data |
file extension scuf | Temporary data |
file extension pls | Pro/ENGINEER temporary data |
![]() | Microsoft SharePoint Server 2007 temporary |
Corel WordPerfect overflow file | |
file extension alt | Microsoft Dynamics AX temporary data |
file extension mpx | Alpha Five temporary index data |
file extension out | Pro/ENGINEER temporary data |
file extension ncch | Microsoft Interner Explorer for Mac cache |
![]() | Microsoft Live Mesh placeholder data |
file extension $a | AutoCAD temporary data |
file extension vmdk-converttmp | VMware Fusion temporary data |
file extension qtmp | Qtracker mapshot pack |
file extension wpk | Nero WaveEditor data |
file extension mtx | Temporary data |
file extension temp_audio | Android temporary audio file |
file extension nav2 | WinAVI temporary navigation data |
file extension zsr | form-Z temporary saved data |
file extension pspdeformationmap | Corel PaintShop Pro deformation map |
![]() | DivX Web Player temporary download |
![]() | Microsoft SharePoint Server 2007 temporary data |
![]() | Microsoft SharePoint Server 2007 temporary data |
file extension abc | ABC-View Manager thumbnail cache |
file extension iniis | AsusSetup log |
file extension §§§ | Pegasus Mail temporary data |
file extension ipl | PLATO Web Learning Network (PWLN) temporary data |
![]() | Adobe Bridge cache |
![]() | Adobe Bridge cache |
file extension asab | Repo temporary output data |
Corel WordPerfect overflow data | |
Corel WordPerfect overflow file | |
file extension fes | 3D Topicscape file format |
file extension iff | SmartWare temporary merge data |
file extension muf | Alpha Five access control data |
![]() | Microsoft SharePoint Server 2007 temporary file |
Corel WordPerfect overflow file | |
file extension nmu | EMC Documentum Client Library query cache |
file extension ipl22 | PLATO Learning network temporary data |
![]() | RealOne streaming media data |
file extension asx | Alpha Five temporary index |
file extension cdt | ProWORX Nxt temporary long comment data |
file extension xps | WindowBlinds temporary data |
file extension c1s | Capture One photo cache |
file extension dw3 | DeathWatch WebCrawler file format |
Corel WordPerfect Macro Editor top overflow file | |
file extension 4sw | 4DOS swap |
file extension ebktml | eBook Pro encoded temporary file |
file extension stf | PhotoImpression thumbnail cache |
file extension vbt | iAntiVirus temporary scan data |
Corel WordPerfect overflow file | |
file extension ger | Pro/ENGINEER temporary |
file extension lockfile | Mac OS X Lion property list XML lock data |
file extension qtindex | Adobe QTIndex file |
file extension ref | Pro/ENGINEER temporary data |
file extension t$m | AVG Internet Security temporary data |
file extension mdccache | Microsoft Document Connection cache file |
![]() | Money S3 temporary data |
Corel WordPerfect Office temporary file | |
file extension s | Nitpicker Ipflow file |
Corel WordPerfect temporary data | |
file extension preview7 | WindowBlinds temporary file |
file extension omc | OMake cache |
file extension u96 | EasyZip temporary data |
file extension fchc | Fetch cache file |
Corel WordPerfect temporary data | |
Corel WordPerfect overflow file | |
file extension memb | Pro/ENGINEER temporary file |
file extension dir00 | Disk defrag error or dump file |
file extension adm | Portfolio admin-level access flag |
file extension db$ | dBASE temporary file |
file extension vaf | DVD2SVCD temporary file |
file extension grbdropfile | GetRight file |
![]() | Microsoft SharePoint Server 2007 temporary file |
![]() | Microsoft SharePoint Server 2007 temporary file |
file extension if2 | PADS temporary data |