File with a .CACHE extension contains data lately used be a specific program, stored on disc in the CACHE memory region, in order to facilitate faster access to them. Data types can be very diversified, due to the fact that files with this extension are used by different applications – they should not be edited or opened manually.

Program using CACHE files usually process high amounts of data, for instance, photo editing applications or web browsers. If a computer has a highly limited disc space capacity, it is worth to lower the limit of size of CHACHE files, or delete them regularly, in order to avoid overflow.