If you use a Windows operating system, you probably know that your files are safely preserved as a backup file on your computer. Sometimes though, they use too much storage space or maybe you don't ...

How to Delete Unused Files. Although media applications make your business PC more useful, the files they generate -- including photo images, videos and sound clips -- can eventually clog your ...

In order to back them up, Time Machine has to copy the disk image file. If you make any change to the contents of a disk image, the entire file winds up copied to Time Machine.

Image: Mark Kaelin/TechRepublic. Previously, we discussed how to delete files and overwrite them with random numbers using the Format command in Windows 11.