In WinUtilities Disk Cleaner, You can customize the search by including and excluding files based on their time, attribute and size.
Steps to find and clean files not accessed for the period of time:
- Run WinUtilities Disk Cleaner
- Select Options button on the top banner
- Select Search Options tab
- Check “Find files that have not been accessed since [?] months”
- Click OK to save settings
- Follow the wizard to search for the files not accessed for the period of time
- Select the cleaning manner for the files not accessed for the period of time
- Click Next & Done