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File Type :
(Mac OSX 7, 8, 9, 10, 11, 12)
Searching for a program to open
"There is no application set to open the document."
is a common problem faced by millions of Mac users daily. This happens either because the required app to open that file does not exist or there might be some malicious apps tempering your Mac
What is .HDX file?
Help documentation file used by older versions of AutoCAD design software; uses the filename ACAD.HDX and supplies an index for an associated ACAD.HLP (.HLP) file; not used by recent versions of AutoCAD.
Recommended Software Programs to open
Autodesk AutoCAD 2016