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Basic information about AD file

When there is a problem with opening files with the file extension AD（*.AD or *.ad）, 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 AD file yourself.

There are 6 file types using the AD file extension in our database. In the further part of this page, you will find detail information about all the AD file with their brief description and a list of programs that support AD file sorted by operating systems. The table below provides useful information about the AD file extension. It answers questions such as:
  • What is the AD file?
  • How to open a AD file?
  • What programs do I need to open a AD file?
  • What programs help to create and edit a AD file?
  • How to convert AD files to another file format?
  • How to convert another files to AD file format?


1.Detail information about AD file extension: AppleDouble Encoded File

File type AppleDouble Encoded File Category Encoded Files
Developer N/A File format N/A
Description AD file is a AppleDouble Encoded File. The ad file extension is associated with the After Dark, a computer screen savers software for Apple Macintosh and Microsoft Windows developed by Berkeley Systems.

The .ad file contains screen saver.

The After Dark is obsolete product without support from developer.

This ad file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.
Software programs that will open, edit or convert AD files

macOS		 Mac OS X


2.Detail information about AD file extension: After Dark Screensaver

File type After Dark Screensaver Category Misc Files
Developer Berkeley Systems File format N/A
Description AD file is a After Dark Screensaver developed by Berkeley Systems.
Software programs that will open, edit or convert AD files

Windows		 Berkeley Systems After Dark

macOS
 Berkeley Systems After Dark X (ADX)


3.Detail information about AD file extension: AxSys Script File

File type AxSys Script File Category Developer Files
Developer N/A File format N/A
Description AD file is a AxSys Script File.
Software programs that will open, edit or convert AD files


4.Detail information about AD file extension: UNIX Application Default Resource File

File type UNIX Application Default Resource File Category System Files
Developer N/A File format N/A
Description AD file is a UNIX Application Default Resource File.
Software programs that will open, edit or convert AD files

Linux		 Unix


5.Detail information about AD file extension: Application Diagram File

File type Application Diagram File Category Misc Files
Developer N/A File format N/A
Description AD file is a Application Diagram File.
Software programs that will open, edit or convert AD files


6.Detail information about AD file extension: Anno Designer Project

File type Anno Designer Project Category Misc Files
Developer N/A File format N/A
Description AD file is a Anno Designer Project.
Software programs that will open, edit or convert AD files

Windows		 Anno Designer



Can't open a AD 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.AD”。

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 AD extension without any issue.


Where I can download the application that support AD 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 AD 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 AD file?

The reasons for the lack of the ability to open a AD 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 AD file. If there is still something wrong, you might want to check:

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

If the AD 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.