Open UDF file

The most commonly used .udf file type: Universal Disk Format

What is udf file? Understanding and opening udf files

Are you facing difficulties opening udf files on your computer, or wondering exactly what udf file is?
We've got the best software solutions for opening udf files effortlessly.

.udf file type #1: Universal Disk Format

You can identify disk images in Universal Disk Format by their iconic UDF extension. Often used for backup of physical dics, especially in the past.

Further details

Universal Disk Format (UDF) is a file system specification used by optical media like DVDs and CDs.

UDF file is an image of an optical disk stored in the Universal Disk Format. These files are often used for creating bootable disks, distributing large file sets that might otherwise be broken up into multiple files, or for backing up data. They can be opened by various software programs including Nero, Roxio, and IsoBuster.

Open udf file with:

WinImage

A virtual disk managing application for Windows

.udf file type #2: Microsoft Excel user defined function

Files with udf file extension may be also found as special user defined functions settings files for Microsoft Excel.

Further details

The udf file extension is associated with Microsoft Excel, one of the most popular and powerful tool you can use to create format spreadsheets, graphs and much more.

The .udf files are used to store user-defined functions, which Microsoft Excel allows users to create. Using the power of Visual Basic for Applications (VBA), users can code complicated formulas only once and use them again and again in their spreadsheets and workbooks.

These functions can be used just like any built-in function already available in Microsoft Excel.

Open udf file with:

Microsoft Excel icon

Microsoft Excel

A popular spreadsheet application distributed with Microsoft Office suite

Microsoft Office icon

Microsoft Office

One of the most popular and powerful office suites on market

Microsoft Office for Mac icon

Microsoft Office for Mac

The latest release of Microsoft's productivity suite for Mac

.udf file type #3: PI Expert document

Files with udf file extension are used by the PI Expert Suite. They contain power supply specification data.

Further details

The udf file extension is associated with PI Expert Suite, an application for Microsoft Windows that allows users to manage devices from Power Integrations' IC families.

The udf file stores document with power supply specifications.

Open udf file with:

PI Expert Suite

A designing tool from Power Intergrations

.udf file type #4: SQL user defined function script file

Files with udf extension are used by the Microsoft Visual Studio program. 

Further details

The udf file extension is associated with the Microsoft Visual Studio programming and development suite for Microsoft Windows. The .udf file stores user defined function script for the SQL database.

Open udf file with:

Microsoft Visual Studio icon

Microsoft Visual Studio

IDE for creating programs, or websites and web applications

.udf file type #5: Uyap Dokuman Editoru document

Files with udf file extension can also be found as text documents prepared using the Turkish Uyap Dokuman Editoru software.

Further details

The udf file extension is also related to a Turkish document editing software called Uyap Dokuman Editoru and used for one of its default file types. The software is used by National Justice Network Project.

The udf file from Uyap Dokuman Editoru contains saved document.

We are sorry, there is currently no software link record to open this udf file type.

.udf file type #6: Windows NT/XP uniqueness database

Files with udf file extension can also be found as Uniqueness Database Files from Windows NT/XP. Used for administrative purposes.

Further details

The udf file extension is also related with Uniqueness Database Files (UDFs).

UDF has a structure similar to that of an answer file. However, the UDF begins with an additional section in which uniqueness IDs are specified and mapped to sections in the UDF. If a uniqueness ID is specified in the winnt or winnt32 command, any values specified in the sections associated with that uniqueness ID override the values in the sections in the answer file that have the same section names.

One UDF can have numerous uniqueness IDs, and each uniqueness ID can specify a slightly different configuration. For example, you can have a uniqueness ID for each computer in your organization, with a different computername for each uniqueness ID— all in one UDF.

Open udf file with:

Microsoft Windows NT 4.0 icon

Microsoft Windows NT 4.0

A business oriented Windows operating system developed in 1996

Microsoft Windows XP Professional icon

Microsoft Windows XP Professional

One of the most successful members of Windows operating system family

What file extension actually is?

Simply put, file extensions are the characters after the dot in the computer file name, so for example document-name.pdf has file extension „pdf“. This helps Windows to identify which program should be used to open the file.

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