Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .ad

2 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .ad file?
  • Which program can create the .ad file?
  • Where can you find a description of the .ad format?
  • What can convert .ad files to a different format?
  • Which MIME-type is associated with the .ad extension?
After Dark Screensaver .ad file icon

After Dark Screensaver

AD file is an After Dark Screensaver. After Dark is a series of computer screensaver software introduced by Berkeley Systems for the Apple Macintosh, and later for Microsoft Windows.
Detailed description not available
Category: Data files
Application: -
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
After Dark Randomizer Data
DSM Application Diagram .ad file icon

DSM Application Diagram

AD file is a DSM Application Diagram. The Distributed System Designers (DSM) are a core component of Visual Studio Team Edition for Software Architects and the Visual Studio Team System.
Category: Development files
Application: Visual Studio
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
System Definition Model

Other types of files may also use the .ad file extension. If you have helpful information about .ad extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

GNU Autoconf Input File
Curse: The Eye Of Isis Game Data
Serif 3DPlus Model
Midtown Madness 2 Game Data
Adobe Flash ActionScript
Final Draft AV v1 Document
Answer Wizard Index
DirectShow Filter Plugin
Gcov Data File

The .ad filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

da (1), aw (1), as (1), af (1), ac (1), xd (1), qd (1), ax (1), av (1), ar (1), ae (1), wd (1)

Can't open a .ad file?

If you want to open a .ad file on your computer, you just need to have the appropriate program installed. If the .ad association isn't set correctly, you may receive the following error message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

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.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android