convert it into .DAT format
No. You can't extract a vlc file into Windows Movie Maker. You must convert the file before it can be imported.
DAT is a generic file extension (usually short for DATA). Its format and content are determined by the application that created the file. Without knowing what file created the DAT file, it would be very difficult to deterime how (or even if it was possible) to convert to XLS format. See related links for more information about the DAT file extension.
DAT files is commonly called VCD. you can a tool to convert this files to iPod files.
DAT file are binary files with text. They can be opened in Word. They aren't pictures that can be converted into JPEGs.
you can Try VLC http://www.videolan.org/vlc/
VLC is a player not a format a .vlc data file will require the VLC player. The VLC player will play most formats (See links below) and can save files in another format as required.
no need to convert just download vlc media player drag and drop the file into vlc go to tools and click track synchronization and click the up arrow where it says advance of audio over video click up until voice and lip movement are exact
A .mkv file is a High Definition video file. If you're having trouble opening the file try using VLC Media Player. It's free and can be downloaded here: http://www.videolan.org/vlc/
Dat file for nokia 2700
It would depend on the name of the dat file. If it is used by the operating system then you will not be able to delete that file.
Download VLC Video Player here: http://www.videolan.org/vlc/download-windows.html