WMV stands for Windows Media Video. A .wmv file is a compressed video format that was developed by Microsoft for Internet streaming applications. Many of the videos and movies that are found online are in .wmv format. This type of file allows for large files to be converted into smaller files while still protecting the quality of the video within the file. This keeps the file size manageable without sacrificing picture clarity. When a .wmv file is played it is decompressed by the file reader while it is being played back on your computer.
While .wmv files are readable by most media players, the files can be converted to other formats if necessary. If you do convert a .wmv file to another file format, however, there is a chance that picture quality may be compromised.
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If you have additional information about the WMV file format or software that uses files with the WMV suffix, please do get in touch - we would love hearing from you.