SDEV file extension - Apple System 7 Control Strip module file
What is sdev file? How to open sdev files?
File type specification:
The SDEV file extension is associated with the Control Strip a user interface component (like Dock in OS X) integrated in Apple System 7 operating system. The *.sdev file stores module for Control Strip stored in System Folder ("Control Strip Modules").
Apple System 7 is obsolete system replaced by Mac OS Classic and OS X.