What is .DCO file extension?
File created by Safetica Free, a program used for securely encrypting personal and business data; stores a virtual disk in an encrypted format and can be securely stored on external devices such as USB keys; similar to a .DCF file, which is used for encrypted file archives.
DCO files can incorporate several different encryption ciphers including Blowfish, Twofish, CAST5, CAST6, MARS, RC5, RC6, Rijndael (AES), and Serpent ciphers.
NOTE: Safetica Free was previously called DisCryptor.
You can see a list of software programs here on easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.