After each defragmentation run you will be presented a comparison of the drive's allocation before and after optimization by O&O Defrag. The defragmentation summary clearly shows the difference a defragmentation makes.
Defragmentation summary
After each defragmentation run you will be presented a comparison of the drive's allocation before and after optimization by O&O Defrag. The defragmentation summary clearly shows the difference a defragmentation makes.
Defragmentation summary