15 The extension ISO of common files is the only storage format of computer CD image files, which is often seen when installing the system;
RAR is a patent file format and a compressed package, which is often used for data compression and archiving.
Html is a hypertext markup language, which is the legendary web page;
Zip, a common compressed format;
Exe, executable file, double-click to open the installation software or run the software;
Pdf, translated into portable document format, better printing effect;
Rm is a video format, which was very popular in the late 1990s. Many movies use this format.
Avi, audio and video interlaced file format;
Tmp, temporary files, that is, junk files, should be deleted quickly;
Xls, excel worksheet;
Mdf, virtual cd image file;
Txt, notepad;
Doc, word document;
MID, sound card vocal music file, is actually the ringtone format of mobile phone;
Jpg is a graphic file, which can compress a picture into a minimum format.
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