How to remove junk files with Disk Cleanup How to remove downloaded files How to delete duplicate files Don't delete important system files Join Which? Tech Support Too much clutter on a hard drive ...

If you've ever used a large file discovery tool like Daisy Disk, you may have stumbled upon a peculiarly large filed dubbed sleepimage.

Did you know that when you “delete” files from your computer, they can still remain on your hard disk? In many cases, deleted files can be recovered with little effort because most computer ...