JP2

Like the regular JPEG, JPEG 2000 was developed as a format by the Joint Photographic Experts Group and published in late 2000. But unlike .jpg, the JPEG 2000 can also create lossless compressions and has been specially developed for raster graphics. Since the JPEG 2000 files can also store different metadata, these allow easy and […]

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PUB

PUB files are created by Microsoft Publisher – a so-called desktop publishing software from Microsoft. Thus, .pub files usually contain data for print publications such as magazines or greetings cards. In addition to Microsoft Publisher can also LibreOffice and. OpenOffice Draw .pub files open and edit.

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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 […]

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AVI

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 […]

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MID

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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BMP

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 […]

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CDR

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 […]

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EPUB

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 […]

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PPTX

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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DOCX

The docx file extension is used by Microsoft Word Documents that have been saved in the Open XML Format, which Microsoft has developed for their Office suite. DOCX is the default way Microsoft Word saves documents for version 2007 and up of the text processing software. Earlier Word versions use doc as their default file […]

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