Media file encoded with DRM (Digital Rights Management) copy-protection; used by some cell phones for saving protected ringtones, pictures, videos, and other media clips; similar to a .DM file, but the rights object, which allows the encrypted data to be played back, is contained in a separate file.

Because DCF files are saved in a protected or "locked" format, they can typically only be opened using an authorized DRM-compatible cell phone.

The Document Computation Format (DCF) was developed by ACCA Software as a standard data format for the building industry. It may include building-related data such as Bill of Quantities and Estimates documents.

DCF files can be opened and viewed with ACCA Software's PriMus-DCF.

Archive encrypted with DisCryptor, a utility for securely encrypting important data; supports Blowfish, Twofish, CAST5, CAST6, MARS, RC5, RC6, Rijndael (AES), and Serpent encryption algorithms.

DCF archives can be decrypted by an authorized user with any version of DisCryptor, including Free, Personal, and Enterprise.

Disk image created with Disk Copy Fast, a disk copying program for DOS created by Chang Ping Lee in the 1990s; used for duplicating floppy disks; supports DMF, XDF, FDFORMAT, 800KB, and Mac formats.

Disk Copy Plus, the commercial version of Disk Copy Fast, also reads DCF files.