Bruce frequently works with a large number of files. He is noticing that the larger the files get, the longer it takes to access them. He suspects that the problem is related to the files being spread over the disk. What utility can be used to store the files contiguously on the disk

The utility that could be stored for the files is disk defragmenter.

The following information related to the disk defragmenter is:

In the case when the program saved the file on the disk so here the file should be put onto the empty space. It considered all the parts & pieces on each and every file and the same should be stored in one place.Also, the programs should be kept in one place, and the space that is not used should be on the hard disk.

Therefore we can conclude that The utility that could be stored for the files is disk defragmenter.

Learn more about the disk here:

Just trying to get some points : p sorry bro