Home » Database Files, A » ADP

Basic information about ADP file

When there is a problem with opening files with the file extension ADP（*.ADP or *.adp）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the ADP file yourself.

There are 1 file types using the ADP file extension in our database. In the further part of this page, you will find detail information about all the ADP file with their brief description and a list of programs that support ADP file sorted by operating systems. The table below provides useful information about the ADP file extension. It answers questions such as:
  • What is the ADP file?
  • How to open a ADP file?
  • What programs do I need to open a ADP file?
  • What programs help to create and edit a ADP file?
  • How to convert ADP files to another file format?
  • How to convert another files to ADP file format?


1.Detail information about ADP file extension: Access Project

File type Access Project Category Database Files
Developer Microsoft File format N/A
Description ADP file is a Access Project developed by Microsoft. Access project file that connects directly to database tables and other database objects; does not contain actual tables or queries, but is connected directly to a MSDE or SQL Server database, which stores the actual tables and database diagrams.
Software programs that will open, edit or convert ADP files

Windows		 Microsoft Access 2016
Microsoft Office



How to convert ADP files to another file format?

There are 3 records in our database eligible for ADP files to another file format conversion. If you want to achieve ADP to another files conversion, you may use the option.

ADP to ACCDB ADP to ACCDP ADP to MDB


Can't open a ADP file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.ADP”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the ADP extension without any issue.


Where I can download the application that support ADP file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How to change file associations?

  • Right-click a file with the extension whose association you want to change, and then click "Open With".
  • In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
  • Select the ”Always use the selected program to open this kind of file” check box.


Can I change the extension of ADP files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a ADP file?

The reasons for the lack of the ability to open a ADP file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a ADP file. If there is still something wrong, you might want to check:

  • Whether the ADP file is damaged.
  • Whether the ADP file is incorrectly linked in the registry entries.
  • Whether the ADP file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the ADP file format is incompletely.
  • Whether the ADP file is infected.
  • Whether the drivers of the equipment used for opening a ADP file are up to date.
  • Whether your computer has enough hardware resources to open a ADP file.

If the ADP file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.