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How to open ADP files? 4 simple methods of solving such problems

When you encounter a problem with an unknown ADP file and you do not know how to open such file, the first step you should take is to determine the cause of given problem. We will show you how to address most common problems with ADP files and how to solve them in 4 simple steps.

  1. 1. ADP File Extension
  2. 2. What is a(n) ADP file?
  3. 3. How to open ADP file?
    1. 3.1 Verify whether the file is properly associated with selected software
    2. 3.2 Install a program that supports ADP files
      1. 3.2.1 Programs that support files with ADP extension
    3. 3.3 Check for other possible causes of errors
    4. 3.4 Contact an expert
  4. 4. Similar file extensions

ADP File Extension

File
  • File type Access Project
  • File developer Microsoft
  • File category Database Files
  • File popularity rating
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What is a(n) ADP file?

The database file with the extension .ADP stores the project directly connected to SQL Server or MSDE database. The file itself does not have tables or queries, it is only used to establish a connection and gain access to tables, diagrams and data stored in external databases.

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How to open ADP file?

In some cases problems may occur when trying to open ADP files. Steps listed below can be helpful in addressing such problems.

Step 1 – Verify whether the file is properly associated with selected software

The first thing user should do is to associate application with ADP files. It may happen so that even when an application that supports ADP files is installed on the system it is not properly associated with this file format. This can be easily remedied by associating program with ADP files. In order to associate such files with given application, user must open the file menu (by right-clicking on the file) and choosing "Open with". A list of suggested applications will be displayed at the top part of menu. Next, select an application and confirm your choice by checking "Always use the selected application to open this kind of files" option. Confirm your selection by clicking OK.

In order to open ADP file, focus on steps 1 and 2

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In majority of cases following instruction in step 1 and 2 should be enough to open files with ADP extension. Before attempting the next steps, test all the programs listed below.

Step 2 – Install a program that supports ADP files

Should it happen that the section with suggested programs is empty, it is most probable that no program supporting ADP files is installed on the system. Choose a program from the following list and install it:

Programs that support files with ADP extension

Windows programs
Windows

Step 3 – Check for other possible causes of errors

  • Corrupted storage medium on which the ADP file is stored
  • File data corruption or incompleteness (for example, due to incomplete download or copy process). In such case the file must be re-downloaded or properly copied and then opened again.
  • Compatibility issues – check whether ADP extension is compatible with user’s operating system
  • Administrative policy settings may prevent user from opening given file

Step 4 – Contact an expert

If you are still unable to open ADP file, you should contact an IT expert. You could also try to contact the developer of given software that supports ADP files. Appropriate website addresses can be found by clicking the name of given program in the list above.

Similar file extensions

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