All about ADU Files

The ADU file type is primarily associated with Addict.

ADU	File extension: ADU
	File type:	User Dictionary

What is an ADU file?

ADU files mostly belong to Addict by Addictive Software. Addict is a component suite that provides end-to-end solutions for adding spelling check and thesaurus support to your applications.

How to open ADU files

You need a suitable software like Addict to open an ADU file. You need a suitable software like Addict from Addictive Software to open an ADU file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your ADU file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a ADU file directly in the browser:. Just drag the file onto this browser window and drop it.

Online ADU Text Viewer

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.ADU File Won't Open? Here is What You Can Do

ADU files can originate from various programs and aren't universally openable.

Identify the Source: If received from a software developer, it is likely an Addict User Dictionary. If it comes from an audio workflow, it may be an ADPCM audio file.
Check the Header: Inspect the first bytes in a text editor or hex viewer:
- Plain text word lists suggest a dictionary file.
- "RIFF" or "WAVE" indicates an audio format.
- Unreadable binary data means it requires specific software.
Use the Original Software: The original program is usually required. Try Addict by Addictive Software, an audio player, or ask the sender if you are uncertain.
Use this Webpage: Drag and drop your file onto this page to detect its format, extract readable metadata, and preview the contents.

Technical Data for ADU File Extension

Identifier:

Hex: 41 64 64 69 63 74 20 55 73 65 72 20 44 69 63 74 69 6F 6E 61 72 79 2C 20 56 65 72 73 69 6F 6E 20, ASCII: Addict.User.Dictionary,.Version (provided by TrID database)

Related files:

adl, mp5, md, lnk, numbers, tmp, jpg, dct, dic, ld2

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: txtfile
EXEFile: %SystemRoot%\system32\NOTEPAD.EXE %1

an adu User Dictionary is a special file format by Addictive Software and should only be edited and saved with the appropriate software.

How to solve problems with ADU files

Associate the ADU file extension with the correct application.
Update your software that should actually open user dictionarys. Because only the current version supports the latest ADU file format. Search, therefore, e.g. on the Addictive Software manufacturer website after an available Addict update.
To make sure that your ADU file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .ADU file online - secure, fast, and no downloads needed.