Advice 1: How to change the file extension on the video

Sometimes after downloading a video file from Internet it does not open and you receive a notification that the operating system could not open the file. It is also proposed to choose a program to open it manually. The problem is that, most likely, that file is not written to the correct extension. And without it OS doesn't know what program to use to open it. This problem is quite solved. All you need is to assign the correct extension.
How to change the file extension on the video
You will need
  • - computer with Windows.
Instruction
1
If you are using Windows XP operating system, then change the extension of the file in the video can be this way. Click on the file with right-click. In the context menu select "Rename". The extension of the file follows immediately after the name, after which you need to register. In most cases, the extension of the videofile, Avi. But, of course, may be other options, such as 3gp, this format is often used in mobile phones. If the video is in DVD format, its extension is Vob.
2
May be a case where the extension files in Windows XP is not displayed. To activate the display please follow the steps below. Click on any folder, right-click and from the context menu select "Properties". Then go to the tab "View". There find the line "Hide extensions for known file types". Clear the check box next to that line. Save the changes. To do this, click "Apply" and OK. Now you can change the extension of files.
3
In Windows 7 the default extension of the files is not available. To activate it, you must do so. Click "Start". Go to "control Panel" and open "folder Options". Next go to the tab "View" and uncheck the box next to "Hide extensions for known file types". Click Apply and OK. Now you can change the extension of the file.
4
Click the right mouse button and select "Rename". You will see that the name of the file will be highlighted, followed by its extension. That is the Unallocated part and you want to rename. If you see only the selection, this means that the video file is not registered any extensions that you should add immediately after the name of the file.

Advice 2: How to unhide the file extension

In Windows operating system, each file type corresponds to its extension. In some distributions the display of extensions is disabled by default, which is not like all users. Enable showing of extensions significantly increases the usability of the computer.
How to unhide the file extension
Instruction
1
Availability extension allows the user to judge the purpose of a particular file. Executable files can have the extension ".exe" and ".com" or ".bat", text – ".txt", ".rtf" or ".doc" of ".jpg" or "jpeg", pictures – ".bmp files online ".htm", ".html", ".mht" media – ".mov", ".avi", ".mpeg, etc., etc. the Absence of a showing of extensions in many cases prevents normal work with the filemi – for example, when they are renamed, so users usually try to enable this option.
2
In order to enable the showing of extensions in Windows XP, open any drive or folder. Select the menu "tools", it "folder". A window will open, there click on the tab "View". Scroll to the "Additional options", there you will see a list of options. Find the line "Hide extensions for known file types" (at the bottom of the folders "Folders and files") and remove it with a tick. Click "OK". The problem is solved, show extensions enabled.
3
In the Windows 7 operating system to enable the display of extensions, open the "control Panel", scroll to "folder options". In it, uncheck the line "Hide extensions for known file types". Click "OK", the display of extensions is turned on.
4
Some users are faced with a situation when displaying the extension suddenly disappears. This situation likely indicates that your computer is infected Trojan or virus program. Enable display of extensions in this case, it may be impossible – the corresponding menu in the advanced parameters window will be absent, hides a Trojan. If you can't find the line "Hide extensions for known file types", immediately update your antivirus database and scan the computer for malicious software.

Advice 3: How to change the type of video file into avi

Type of the file is the internal data layout scheme, which is different for different files. For example, the video file extension avi is one type of mkv and mov — the third. Each of these standards has certain properties and characteristics. It happens that you need to play the recording on any device that supports only avi video. In this case you need to convert the file from one type to another using a special program.
How to change the type of video file into avi
Instruction
1
Download the utility to convert video files, for example, Any Video Converter. This is a free and convenient tool for working with a very large range of standards and types of video. As an alternative you can use Total Video Converter or Format Factory. These programs can also change the type of video file into avi.
2
Click on the link to the site developer AVC — http://www.any-video-converter.com/products/for_video_free/ or any soft-portal on the Internet, for example www.softportal.ru or www.softodrom.ru if you prefer another program. Click the "Download" button or Download and download the installation file.
3
Install the software for converting data. To do this, look in the downloads folder of your browser installation file that you downloaded. This is usually the folder "My ДокументыDownloads", but other options are possible. Start by double-clicking the installation program and answer the wizard's questions. When this is all over, you have the desktop shortcut to start the program.
4
Open Any Video Converter. Double click on the shortcut with the left mouse button or find the folder in "start menu", sub menu "All programs". Click "Add video", it is in the top left of the window. Select the file you want to edit. The title of the video and its settings will appear in the main part of the window.
5
Select the line "Custom AVI" from the drop-down menu in the right part of the program, right above the video window. At the bottom, under the preview area, select the encoding options. To do this scroll the list of possible settings, and click the left mouse button on the desired line and select the appropriate option. For example, it is recommended to specify "video Resolution" Original order did not change the proportions of the image. Also, set "frame rate" in the AUTO position.
6
Click "Encode" when you have finished configuring the settings. This button is at the top of the program window. Wait for completion for process control next to the name of the file appears and a progress bar of conversion. After the end of conversion the program will offer to open the resulting file.

Advice 4: How to change file properties

Standard Windows tools, you can modify some properties files, for example, allow editing and deletion. To change creation date, you have to use third party programs or non-standard Windows techniques.
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How to hide file



On Windows you can hide the file you created from the view and disallow edit. To do this, click on its icon, right-click, choose "Properties" command in the "General" tab of the properties window check the boxes for the attributes "read Only" and Hidden. Then go to menu "tools" and select "folder options". In the View tab locate additional parameters in the item "Hidden files and folders" and set its value to "No show". For confirmation, click OK. To restore the visibility of the file, uncheck the attribute "Hidden".

How to change file properties



You can change only some of the data in the file properties. If you have Windows XP, in the properties window, go to the Summary tab and click Advanced. Click in the Value section next to the properties you want to change. If editing is permitted, a blank box appears, framed.

To change the file properties in Windows 7 in the properties window go to the tab "Details" and proceed as described above.

How to change the creation date of the file



To know the creation date of the file, right-click on its icon and choose the command "Properties". In the General tab displays basic information about the file, including, and creation date. To change this setting by standard means of Windows will not work, but you can use non-standard methods. Double click on the clock in the system tray (lower right corner of the screen) and set the date and time to which you want to change the actual data file.

Open the file with a suitable editor (for text files, perfect Word, for graphic – Paint or Photoshop) and save it under your name. Now in the properties file will reflect the desired creation date.

You can use third party programs to change file attributes, e.g. file Manager Total Commander. Start TC and in Explorer locate the file whose information you want to change.

In the menu "File" click on "Change attributes" and in the new window, check the box next to "Change date/time". Then check the box "Use plugins". In the "Plug-in" must be the value of tc. In the "Property" expand the dropdown list and choose the item "date of creation". In the Value field, enter the desired date and click OK.

For credibility adjustments, click Add attribute and in the properties list, select the "modification date". Enter a date later than creation date.

In this window you can disable editing of the file and make it hidden. To do this, tick the items "read-Only" and "Hidden".
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