Changes

Different programs store the same kind of information in different formats, the format is indicated by the extension to the file name, which is usually 3 characters (but in some cases can be 2 or 4 characters also). For e.g. a text file may be stored in a .docx or a .odt or a .txt format, a music file may be in a .wav or a .mp3 or a .ogg format. Y''<nowiki/>''ou may have a need to convert a file from one format to another, to use it. A video that plays on your computer may not play on your DVD player, or a music clip that plays on your computer may not play on your mobile phone.   

Different programs store the same kind of information in different formats, the format is indicated by the extension to the file name, which is usually 3 characters (but in some cases can be 2 or 4 characters also). For e.g. a text file may be stored in a .docx or a .odt or a .txt format, a music file may be in a .wav or a .mp3 or a .ogg format. Y''<nowiki/>''ou may have a need to convert a file from one format to another, to use it. A video that plays on your computer may not play on your DVD player, or a music clip that plays on your computer may not play on your mobile phone.   

In this chapter, you will learn about open and closed file formats, how to publish your OER in open formats, and convert a document to an open format.  

By the end of this chapter, you will be able to

# know about open and closed file formats

# publish your OER in open formats and convert a document to an open format.  

=== Open and closed formats ===

=== Open and closed formats ===