The DAP accelerates downloading speed by opening multiple connections to get the files as fast as possible. To track files that are still not completed, DAP saves incomplete downloaded files with File Extension DAP. The download manager features some of the best security, privacy, and file management tools.
In order to get Download Accelerator Plus (DAP) to work with Opera, you need to copy the file "dapop.dll" from DAP's installation folder (usually C:\Program Files\DAP) into Opera's plugin folder (C:\Program Files\Opera\Program\Plugins by default).