Notes about the CMD5 file extension:
To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened
" (Windows 7) or "How do you want to open this file?
" (Windows 10) if you double-click the file. There click on "More apps"
and choose a suitable software to view such files on your PC or from email attachments.
The CMD5 file type is primarily associated with 'CrystalMaker' by CrystalMaker Software Ltd.. CrystalMaker is a program for building, displaying and manipulating crystal and molecular structures.
Detailed information for file extension CMD5:
Hex: 43 4D 44 35 28 43 72 79 73 74 61 6C 4D 61 6B 65 72 29 20 , ASCII: CMD5(CrystalMaker)
'Identifying characters' used on FILExt.com are
provided by Marco Pontello from his TrID database
To change file associations press Windows Key
and then Apps and Features
> Default apps
> Choose default apps by file type
Invalid file associations could be the result of underlying issues within your Windows PC.