File extension DT
| File type | Macintosh Format Data Fork |
| Developer | Apple |
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What is a DT file?
DT filename extension is associated with Apple computers. DT files were used in older Apple operating systems and are now considered obsolete. DT files are not to be manually opened and edited.
DT format is support on Unix-like systems. DT files contained so called forks, that is additional data associated with given document file. The format can support single or multiple forks per file. DT forks can be of arbitrary size and may be even larger the the source file.
Program(s) that can open the .DT file
Mac OS
How to open DT files
If you cannot open the DT file on your computer - there may be several reasons. The first and most important reason (the most common) is the lack of a suitable software that supports DT among those that are installed on your device.
A very simple way to solve this problem is to find and download the appropriate application. The first part of the task has already been done – the software supporting the DT file can be found in the table. Now just download and install the appropriate application.
Possible problems with the DT format files
The inability to open and operate the DT file does not necessarily mean that you do not have an appropriate software installed on your computer. There may be other problems that also block our ability to operate the Macintosh Format Data Fork file. Below is a list of possible problems.
- Corruption of a DT file which is being opened
- Incorrect links to the DT file in registry entries.
- Accidental deletion of the description of the DT from the Windows registry
- Incomplete installation of an application that supports the DT format
- The DT file which is being opened is infected with an undesirable malware.
- The computer does not have enough hardware resources to cope with the opening of the DT file.
- Drivers of equipment used by the computer to open a DT file are out of date.
If you are sure that all of these reasons do not exist in your case (or have already been eliminated), the DT file should operate with your programs without any problem. If the problem with the DT file has not been solved, it may be due to the fact that in this case there is also another rare problem with the DT file. In this case, the only you can do is to ask for assistance of a professional staff.
Updated 09/07/2022
Similar extensions
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| .a3w | Adobe Authorware Unpackaged Format |
| .a4l | Adobe Authorware Library Format |
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| .a4w | Adobe Authorware Unpackaged Format |
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How to associate the file with an installed software?
If you want to associate a file with a new program (e.g. my-file.DT) you have two ways to do it. The first and the easiest one is to right-click on the selected DT file. From the drop-down menu select "Choose default program", then click "Browse" and find the desired program. The whole operation must be confirmed by clicking OK. The second and more difficult to do is associate the DT file extension to the corresponding software in the Windows Registry.
Is there one way to open unknown files?
Many files contain only simple text data. It is possible that while opening unknown files (e.g. DT) with a simple text editor like Windows Notepad will allow us to see some of the data encoded in the file. This method allows you to preview the contents of many files, but probably not in such a structure as a program dedicated to support them.