A cust file extension is related to the QuarkXPress for Mac data format.
Software that open cust file
CUST file extension - QuarkXPress for Mac data
What is cust file? How to open cust files?
The cust file extension is associated with QuarkXPress, a WYSIWYG editing software for Microsoft Windows, macOS and Classic Mac OS.
The cust file contains some kind of data used by QuarkXPress for Mac.
The default software associated to open cust file:
Company or developer:
Quark, Inc.
QuarkXpress for Mac is able to publishing, printing and production, text processing, web page design, creative design and page layout, PPML, XML, and media-independent publishing.
List of recommended software applications associated to the .cust file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open cust file, edit cust file, convert cust file, view cust file, play cust file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with cust file - QuarkXPress for Mac data
Click on the software link for more information about QuarkXPress for Mac. QuarkXPress for Mac uses cust file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).