Notes about the 3T4 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 3T4 file type is primarily associated with 'Binary to ASCII Conversion'. Sometimes associated with Util3.
Detailed information for file extension 3T4:
Primary association: Binary to ASCII Conversion
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.