Opening a UDD File

The UDD file type is primarily associated with OllyDbg.

UDD	File extension: UDD
	File type:	debugging file

What is a UDD file?

UDD files mostly belong to OllyDbg. This file, an UDD file, is used in debugging and error reporting tasks.
It comes in two main forms:

Debug Data File - Used by tools such as OllyDbg, these files store binary data from debugging sessions. Some are recognized as IDA Pro Debugger Module Files. More information is available at OllyDbg.

User Data Dump - Employed by Windows Error Reporting, this format captures diagnostic data when a system or application error occurs.

FilExt.com tip: Because these files contain structured binary information, a regular text editor is not sufficient. Use a dedicated debugger or error reporting tool to open and analyze the contents.

How to open UDD files

You need a suitable software like OllyDbg to open a UDD 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 UDD file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a UDD file directly in the browser:. Just drag the file onto this browser window and drop it.

Online UDD Text Viewer

Choose your .udd file to analyze

or drag and drop it here

Online File Viewer

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Programs that open and convert UDD files:

OllyDbg
See the previous paragraphs to learn more about the main application. UDD files are often referred to as OllyDbg developers because this type of file is primarily created or used by this software.
OllyDbg (Module Information) by Oleh Yuschuk
OllyDbg is a 32-bit assembler level analysing debugger for Microsoft Windows. The identifying characters used for this association are - Hex: 4D 6F 64 00 16 00 00 00 4D 6F 64 75 6C 65 20 69 6E 66 6F 20 66 69 6C 65 20 76, ASCII: Mod.....Module.info.file.v.

UDD format details:

Each file has a definite file format, that is, how the stored data is arranged in the file. The file format can be deduced from the file extension and the signature. File extension, signature and file format must match; otherwise errors will occur when the file is opened. Knowledge is power - this also applies when dealing with unknown or faulty files. Our examination of the UDD files comes to the following conclusion:

UDD is rarely used as a file extension and is mainly used by one program with a specific format. The file formats most commonly found in UDD files are:

70% of all UDD files belong to OllyDbg Module Info. The contents of these files cannot be read by a human; only a computer program can interpret the data. The files are often between 2 KB and 6 MB in size. The file type was developed only in the last few years. The keywords Module info file v2.0, STRUCT IMAGE_DOS_HEADER, Module info file v1.1 and SIGNATURE are typical for these files.

All other UDD files (30%) have no consistent format. Tagged as dump, user, texture, burner or uddata. If you want to find out which format your UDD file belongs to, just click on the button "Choose your .udd file to analyze".

Technical Data for UDD File Extension

File classification:

Developer

Identifier:

Hex: 4D 6F 64 00 16 00 00 00 4D 6F 64 75 6C 65 20 69 6E 66 6F 20 66 69 6C 65 20 76, ASCII: Mod.....Module.info.file.v (provided by TrID database)

Related files:

dmp, pdb, dbg, ydd, gz, exe, iml, module, sem, log, bin

a udd debugging file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with UDD files

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