Working in a Windows operating system, we are constantly faced with different types of files: system, graphics, audio, video. To determine the type of a file, we allow file extensions in Windows.

The file name extension is a sequence of characters that allows you to define the file format. File extensions in Windows are separated from file name by a dot. For example, the full name of the text document will be filename.doc and music track – filename.mp3. Files of a certain extension, you can bind the program “default”.{!LANG-74b35628767f06a4182f645062cf2f97!}

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What the most common file extensions in Windows? For example, the. exe is the executable files. for example, installers of the programs, rar and zip – archives. E-book are extension pdf or djv fb2. Audio files usually have the extension mp3, wav or ogg. Files {!LANG-4156aca14e88a2d540787040a00009a7!} (audio files are compressed without loss) can have an extension flac, ape or wav. Video files different extensions like avi, mpeg, mp4, mkv, flv, etc. Bitmap you can see the extension jpg (jpeg, jpe), bmp, gif, png, tiff, etc. Extension vector image{!LANG-a72e0dccdffea2e9e861c28178bdb113!}

Generally, the file extensions in Windows often specific to your application. and open third-party application files with this extension can be difficult or even impossible. For example, the extension psd are files created in Adobe Photoshop (however, this program allows you to save the file in almost any graphical format). Text files created in Microsoft Word, you can find the doc extension (. docx for newer versions of the program) and a text editor Open Office works with the odt format. Also text files{!LANG-5e967da6da17d04be01368194be4800b!}

How to know what types of files your operating system? Go to Windows Explorer, in the drop down menu Service select Folder{!LANG-e4b8fef9f1b6088707fd37426cd2997c!}Types of files{!LANG-ea35a19c45ef51b2b0da7545a727f19c!}

How to change the file extension?

Imagine you download from the Internet archive, but the browser somehow saved it with a resolution of htm (the resolution of the web page). Naturally, unpack the archive you will fail. You need to change the file extension on the right. However, Windows may not show the file extension, including security reasons, to allow the user inadvertently renamed a file wrong.

To change the file extension, you should to enable the display of file extensions in Windows. To do this go to Windows Explorer (double click “My computer” on the desktop or the hotkey Win E). Go to the folder where the file whose extension you want to change. In Explorer menu Service select Folder. In Windows 7{!LANG-7856c016117e404545056dab11020d80!}The folder properties in Windows 7 called Folder options .

In the dialog that appears, navigate to . In Additional options{!LANG-0156cb2dec719cc99eda14eb490cb4c1!}

However, this technique will not allow you to change the format of the media file.{!LANG-6c2d93bfba45a1a60fc6b4e727b1353c!}

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