Missing software and file drivers is often a leading cause of G721 file problems. It is highly recommended that you scan your PC using the G721 File Repair Tool. It will analyze your files and make sure you have the necessary file openers.
G721 file error symptoms can include the inability to open G721 files, program lock-ups, crashes, slow PC performance, startup and shut down problems, and installation errors.
Fixing the Problem
To ensure G721 files can be opened and read by your computer, download and run the G721 File Repair Tool. Simply click the button below to download the software.