Browsers pay a particular care when manipulating these files, attempting to safeguard the user to prevent dangerous behaviors. An unknown file type should use this type. application/octet-stream is the default value for all other cases.A textual file should be human-readable and must not contain binary data. text/plain is the default value for textual files.Two primary MIME types are important for the role of default types:
Here is a list of MIME types, associated by type of documents, ordered by their common extensions.