What does unused file extension mean?

These are file extensions that are no longer used, as they may have been associated with removed Malware, or other programs that have been uninstalled, deleted or no longer used. However, we do not suggest using CCleaner’s Registry Cleaner, or any other Registry Cleaner or Optimizer software for that matter.

These are file extensions that are no longer used, as they may have been associated with removed Malware, or other programs that have been uninstalled, deleted or no longer used. However, we do not suggest using CCleaner’s Registry Cleaner, or any other Registry Cleaner or Optimizer software for that matter.

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