.DP File Extension

Delta Packer Module

Developer Barricade Software
Popularity
2.3  |  3 Votes
 

What is a DP file?

A DP file is an audio module created by Delta Packer, a packer for Delta Music modules. The module it contains is compressed, for more efficient sharing and storage. Delta Packer and Delta Music are now obsolete, and thus DP files are uncommon.

More Information

Delta Music was a music tracker developed by Barricade Software, a Danish software development group, for use on Amiga computers. Barricade released multiple versions of Delta Music, which users could use to create audio modules.

Sometime after the release of Delta Music 2, Barricade released Delta Packer. This program allowed Delta Music users to compress their audio modules into smaller files. These DP files could be played only with Delta Packer, and not with Delta Music.

How to open a DP file

Unix Amiga Delitracker Emulator (UADE) can open DP files and play the music they contain.

You can also open DP files with Delta Packer, if you are able to install the program in an Amiga emulator. Delta Packer is available for download here.

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Programs that open DP files

DocusPocus Protected Document (Legacy)

Developer DocusPocus
Popularity
2.0  |  1 Vote
 

A DP file may also be a protected document used by DocusPocus, a service for securely sharing and selling digital publications. It stores AES-256-GCM encrypted document content in the DocusPocus format. DP files are saved in the same format as .DPF and .DCSPCS files but are less common.

More Information

Screenshot of a .dp file in DocusPocus Viewer 1.0.7
DP file open in DocusPocus Viewer 1.0.7

DocusPocus uses protected files to help content owners share digital publications without distributing unrestricted copies. Publishers, authors, educators, and businesses can use the service to deliver paid reports, e-books, and learning materials to authorized readers. The encryption helps protect the document from unauthorized access, while DocusPocus manages reader permissions.

How to open a DP file

You can open DP files with DocusPocus Viewer for Windows and macOS or through the DocusPocus web reader. Keep in mind that the document owner must grant you access before you can view its contents.

Programs that open DP files

Windows

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