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.DP file extension

To open .DP files on Windows, if you need to inspect contents: open the .dp as a JAR/ZIP archive using an archive tool (do not rename it unless your tool requires it).

To open a .dp file, treat it as an OSGi Deployment Package (a JAR/ZIP archive) or install it using an OSGi Deployment Admin implementation (for example Apache Felix Deployment Admin). If you just need to inspect its contents, open it with an archive tool instead of renaming the file.

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Last updated: April 30, 2026 · Reviewed by Julian Stricker

Open on your device

Choose your operating system for a dedicated step-by-step opening guide.

How to open .DP files

Use these platform-specific instructions to open .DP files safely.

Windows

  1. If you need to inspect contents: open the .dp as a JAR/ZIP archive using an archive tool (do not rename it unless your tool requires it).
  2. If you need to install it: use an OSGi environment that supports Deployment Admin (for example, an Apache Felix Deployment Admin-based runtime) and deploy the .dp through that system’s deployment/update mechanism.
Full Windows guide

Mac

  1. If you need to inspect contents: open the .dp as a JAR/ZIP archive using an archive tool (or the JDK jar tool if you have it installed).
  2. If you need to install it: use an OSGi runtime with Deployment Admin support and deploy the package via that runtime’s deployment workflow.
Full Mac guide

Linux

  1. If you need to inspect contents: open the .dp as a JAR/ZIP archive (for example with standard archive utilities).
  2. If you need to install it: deploy it using an OSGi Deployment Admin implementation (for example Apache Felix Deployment Admin) inside the target OSGi system.
Full Linux guide

iOS

  1. iOS is not a typical platform for installing OSGi Deployment Packages; if you only need to view the file, transfer it to a desktop OS and inspect it as a JAR/ZIP archive.
Full iOS guide

Android

  1. Android is not a typical platform for installing OSGi Deployment Packages; if you only need to view the file, transfer it to a desktop OS and inspect it as a JAR/ZIP archive.
Full Android guide

Security notes

  • .dp files are standard JAR (ZIP) archives; treat them like software update packages. Only install a .dp into an OSGi system if you trust its source and the update channel.
  • Inspecting a .dp with an archive viewer is generally safer than installing it, because installation may trigger bundle updates or resource changes managed by Deployment Admin.
  • Be cautious when extracting and running any included JARs or scripts outside the intended OSGi deployment workflow; the package may contain executable Java components meant to run on the target system.

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Can't open this file?

These are the most common causes and fixes when .DP files fail to open.

Common reasons

  • The .dp file won’t open in my usual apps
  • The archive opens, but the contents look confusing (JARs/metadata)
  • Deployment fails in an OSGi system
  • Wrong file association (it opens in the wrong app)

Fix steps

  1. If your goal is to inspect contents, open it with a ZIP/JAR archive tool (it is a standard JAR).
  2. If your goal is to install/update software, use an OSGi runtime that includes a Deployment Admin implementation and deploy it through that runtime’s supported process.

OS-specific troubleshooting

What is a .DP file?

According to the OSGi Deployment Admin specification, a Deployment Package is a standard JAR file whose filename extension should be .dp and whose MIME type should be application/vnd.osgi.dp. It is used by OSGi Deployment Admin implementations to install, update, or remove software components and related resources on an OSGi framework.

Background

In OSGi-based products (embedded gateways, modular Java runtimes, and similar systems), a .dp file is a delivery container for software updates. The OSGi Compendium defines the structure and behavior of these Deployment Packages and how a Deployment Admin service manages them.

Practically, a .dp file is a JAR, meaning it is a ZIP-based archive that can contain bundles (JARs), resources, and metadata used by Deployment Admin during deployment. Because it is a standard JAR, you can usually inspect it with common ZIP/JAR tools, but “opening” it in the sense of installing it is typically done by an OSGi runtime that includes a Deployment Admin implementation.

Real-world distributions may publish .dp artifacts with Content-Type application/vnd.osgi.dp. If your file came from an OSGi vendor or an OSGi-based project, this is the most likely meaning of the .dp extension.

Common MIME types: application/vnd.osgi.dp

Further reading

Authoritative resources for more details on the .DP format.

Common .DP issues

The .dp file won’t open in my usual apps

An OSGi Deployment Package is not a document; it is a JAR-based deployment archive intended for an OSGi Deployment Admin service. Most desktop apps will not recognize it.

  1. If your goal is to inspect contents, open it with a ZIP/JAR archive tool (it is a standard JAR).
  2. If your goal is to install/update software, use an OSGi runtime that includes a Deployment Admin implementation and deploy it through that runtime’s supported process.

The archive opens, but the contents look confusing (JARs/metadata)

.dp packages are meant for automated deployment, so their internal structure is geared toward OSGi Deployment Admin, not human reading.

  1. Check the package metadata and included bundles/resources as you would for a JAR-based distribution.
  2. Consult the OSGi Deployment Admin specification to understand what the package must contain and how it is processed.

Deployment fails in an OSGi system

Deployment Packages are processed by a Deployment Admin implementation, and failures typically indicate a mismatch with the target OSGi environment or an invalid/incompatible package.

  1. Confirm the target system actually provides a Deployment Admin implementation compatible with the package.
  2. Verify you are using the correct package for that device/runtime version and that the file is complete (not truncated during transfer).

Wrong file association (it opens in the wrong app)

If your OS is set to open .dp with an unrelated program, double-clicking won’t do anything useful.

  1. Use “Open with” and choose an archive tool to inspect it (since it is a JAR/ZIP).
  2. Keep a separate workflow for installation: deploy via the OSGi runtime’s Deployment Admin mechanism rather than by double-clicking.

FAQ

Is a .dp file just a ZIP/JAR?

For OSGi Deployment Packages, yes: the OSGi specification defines a Deployment Package as a standard JAR file whose extension should be .dp.

What is the correct MIME type for .dp (OSGi Deployment Package)?

The OSGi specification and the IANA registry indicate application/vnd.osgi.dp.

Can I convert a .dp by renaming it to .jar or .zip?

Renaming does not convert the file, but because an OSGi .dp is a standard JAR, some archive tools may open it more easily if you temporarily copy/rename it. For actual deployment, keep it as .dp and use Deployment Admin.

How do I install a .dp file?

Install it using an OSGi environment that provides the Deployment Admin service (for example via an Apache Felix Deployment Admin-based runtime or a vendor’s OSGi-based device update mechanism).

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