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List of common temporary file extensions

Well known files generated for temporary purposes to store cache and other data during program installation or operation, like download.

Common temporary files may change in time as the popularity and significance of some formats can change.
Whole category of temporary files contains now 378 file types. Show all temporary file types.

 !ut 

Files with !ut file suffix can be usually found as partially downloaded files generated by uTorrent client.

 adadownload 

Files with adadownload extension can be exclusively encountered as unfinished download initiated by Adobe Download Assistant.

bc file icon bc 

A bc file extension is used by some BitTorrent clients, such as BitComet, for unfinished downloads in progress. Cannot be directly opened.

bc! file icon bc! 

Files with BC! extensions can be commonly found as partially downloaded files saved by BitTorrent clients. These are renamed until the download is finished.

blf file icon blf 

Files with blf file extension are commonly found as temporary files generated by latest Windows operating system to prevent registry corruption whenever a change to registry is done.

 cache 

A cache file extension is related to the cache files. A cache file is used to store temporary data that can be fast accessed by related program.

crdownload file icon crdownload 

Files with crdownload suffix are partially downloaded files that are either still being downloaded by Chrome / Chromium web browsers or were not completed at all. Once the download is finished, the extension of these files is restored back to the original.

dmp file icon dmp 

Files with dmp suffix can be usually found as memory dumps generated when a program crashes. Used for troubleshooting and fixing bugs by the developers.

download file icon download 

A download file extension is related to Apple Safari web browser for Mac OS X and Microsoft Windows. A download file stores incomplete download.

download file icon download 

Files with download extension were used in some of the previous versions of Chrome web browser to store incomplete downloads.

download file icon download 

Files with download extension could, especially in the past, be found as incomplete downloads originally started by Firefox web browser version 1.x to 2.x.

 part 

A part file extension is commonly used for partially downloaded files from internet. When the download is complete, the original extension is restored. Generally, until the download is finished, no data can be recovered from .part files.

 partial 

Files with partial extension is related to Microsoft Internet Explorer from version 9 and Microsoft Edge and used for incomplete downloads initiated through the browser.

 temp 

Files with temp extension can be generally found as temporary files from various programs and systems.

tmp file icon tmp 

A tmp file extension is traditionally used for temporary files in Microsoft Windows. In most cases can be safely deleted.

This is a list of some the most common file types from this category and may change in time as the popularity and significance of some formats can change. Whole category of temporary files contains now 378 file types. Show all temporary files.

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