Notes about the H64 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 H64 file type is primarily associated with 'H.264 Format'.
The H64 file format is an audio-less version of the H.264 video format, commonly used in CCTV applications. It used due to its benefits of offering high quality video at a lower data rate due to the exclusion of audio.
Several software applications can be used to open this type of file, mainly CCTV software. Converters allow you to convert videos recorded in the H64 format to AVI, a more common format which can be viewed on far more applications.
Detailed information for file extension H64:
Primary association: H.264 Format
File classification: Video
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.