Files that contain the .dbk file extension are compressed backup files that have been created for certain Sony Ericsson mobile phones. These DBK files are created by the Sony Ericsson PC Suite, which is a data management application for Sony Ericsson mobile devices that a user can install on his or her PC.
The DBK files that are used by the mobile phones contain backup copies of information that has been stored on the phone, such as the user's contact details.
The .dbk file extension is also used for dBase software application. These DBK files contain the backup files that are saved by the dBase application.
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