MKV
The MKV file format is an audio and video file format . Since this is a so-called container format , the data can be stored in different codecs . The abbreviation mkv stands for Matroska Video, and is quite indicative of how it works: A Russian matryoshka doll contains many more (smaller) dolls – just […]
Read MoreAVI
The .avi file format is a container format developed by Microsoft for audio and video files. The abbreviation .avi stands for Audio Video Interleave, which means something like "interlacing of audio and video data", and is a description of the technical background. Since .avi files can contain different codecs (a codec is a kind of […]
Read MoreAIFF
Aif files (also known as aif) are audio files – they contain music or language. The abbreviation AIF stands for A udio I nterchange F ile F ormat and is the standard music format on Apple's Mac OS. The ubiquity of Mac OS in the professional environment, make .aiff files practically the standard in recording […]
Read MoreMP2
MP2 files include, as well as mp3 files, music or speech – so this is an audio file format. The abbreviation MP2 stands for MPEG-1 Audio Layer 2. While MP2 in the general environment has been almost completely replaced by the newer MP3 format, it is even more common in some areas (for example, broadcast, […]
Read MoreMID
MID files are music files and, in contrast to other audio formats like .mp3 or .wav, do not contain direct music but instructions on how to "create" the music. In principle, these files contain "notes for the computer". While a .mp3 file always sounds the same, for a MIDI file it is a matter of […]
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The ai file extension is used by Adobe Illustrator, a vector graphics editor. As a proprietary file format, the ai (Adobe Illustrator Artwork) format is maintained by Adobe Systems. However, it is based on the non-proprietary eps and pdf formats (ai files may be saved with the option of either pdf or postscript compatibility). As […]
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The file extension bmp signifies an image file that has been saved in the device independent bitmap format. The format is rather historic; it has been in use since 1990. However due to its simplicity and the absence of any patent protection, bmp is still widespread and remains supported by very many graphics programs. Bmp […]
Read MoreCDR
The cdr file extension is used for more than one file type. In most cases though, a cdr file will contain a CorelDraw Image saved in the CDR graphics format, a proprietary format for storing vector graphics. Besides CorelDraw and other programs from the Corel suite, cdr image files can be opened e.g. with Adobe […]
Read MoreEPUB
The epub (short for electronic publication) file extension signifies an e-book file that has been saved according to the EPUB standard. EPUB is a non-proprietary, vendor-independent e-book format that is based on html and is supported by a large number of hardware e-book readers, computer software and smartphone apps. Though EPUB takes only a negligible […]
Read MorePPTX
The pptx file extension is used by Microsoft PowerPoint 2007 and younger to store presentations. Earlier versions of PowerPoint use the ppt extension. Opening a pptx file launches the PowerPoint software in editor mode. There is another format, ppsx, that will start the slide show presentation right away. A pptx file is a zip-compressed package […]
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