ASSOC
Display or change the association between a file extension and a fileType
Syntax
ASSOC .ext = [
fileType]
ASSOC
ASSOC .ext
ASSOC .ext =
Key
.ext :
The file extension
fileType :
The type of file
A file extension is the last few characters in a FileName after the period.
So a file called JANUARY.HTML has the file extension .HTML
The File extension is used by Windows NT to determine the type of information stored in the file
and therefore which application(s) will be able to display the information in the file. File
extensions are not case sensitive and are not limited to 3 characters.More than one file
extension may be associated with the same File Type.
e.g. both the extension .JPG and the extension .JPEG may
be associated with the File
Type "jpegfile".At any one time a given file extension may only be associated with one File Type.
e.g. If you change the extension .JPG so it is associated with the File Type "txtfile" then
it's normal association with "jpegfile" will disappear. Removing the association to "txtfile" does
not restore the association to "jpegfile"
File Types can be displayed in the Windows Explorer GUI: [View, Options, File Types] however
the spelling is usually different to that expected by the ASSOC command e.g. the File Type
"txtfile" is displayed in the GUI as "Text Document"and "jpegfile" is displayed as "image/jpeg"
The command ASSOC followed by just a file extension will display the current File Type for that
extension.
ASSOC without any parameters will display all the current file associations.
ASSOC with ".ext=" will delete the association for that file extension.
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