ADP File

What are ADP files and how to open them

Are you having problems opening an ADP file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your ADP files.

What is an ADP file?

ADP files have multiple uses, and Archimedes Protected Disk Image is one of them. Read more about the other uses further down the page.

Archimedes Protected Disk Image

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open ADP files

Important: Different programs may use files with the ADP file extension for different purposes, so unless you are sure which format your ADP file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested eight different ADP openers which you will find listed below.

Last updated: December 15, 2021

All known file formats using extension .ADP

While Archimedes Protected Disk Image is a popular type of ADP-file, we know of 3 different uses of the .ADP file extension. Different software may use files with the same extension for different types of data.

Microsoft Access Project

These ADP files are Access Project files, files that give you a direct connection to a Microsoft SQL Server database through the OLE DB component architecture. With Microsoft Access Project, you create forms, reports, macros, and modules, just like a typical Access database. Access projects do not contain data or data-definition-based objects; their objects are in a SQL Server database.

Qt Assistant Documentation Profile

We know that one ADP format is Qt Assistant Documentation Profile. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Various apps that use files with this extension

These apps are known to open certain types of ADP files. Remember, different programs may use ADP files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about ADP file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.