>> UDL file

UDL file format description

Many people share .udl files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .udl file can be edited, converted or printed with. On this page, we try to provide assistance for handling .udl files.

2 filename extension(s) found in our database.

.udl - MDAC Universal Data Link

The UDL data files are related to Visual Studio .NET. The UDL file is a MDAC Universal Data Link. The Microsoft Data Access Components (MDAC) provide the Data Link Properties dialog box as the common user interface for specifying connection information to a data provider on Windows 2000 and later operating systems. You can use the Data Link Properties dialog box to save connection information in a universal data link (.udl) file.

Visual Studio .NET
Data files
- / -
MDAC Universal Data Link related extensions:
CLFS BaseLog
Active Directory Exported LDAP Data
Windows 2000 Active Directory Data Store
SSIS Cache Data
SWID Tag Data
Common XML Envelope Data

.udl - ADONIS User Exported Data

The UDL data files are related to ADONIS. The UDL file is an ADONIS User Exported Data. ADONIS is a Business Process Analysis (BPA) tool supporting business process management based on BPMS framework created at the University of Vienna.

Data files
- / -
ADONIS User Exported Data related extensions:
ADONIS Application Business Library
ADONIS Exported Data

Naturally, other applications may also use the .udl file extension. Even harmful programs can create .udl files. Be especially cautious with .udl files coming from an unknown source!

Can't open a .udl file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following 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 one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .udl file extension is often given incorrectly!

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

dl, hdl, idl, jdl, kdl, ucl, ud, udi, udk, udm, udo, udp, uel, ufl, ul

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

gLite Job Description Language File
Tekla Structures Custom Components Data
Verity Server Custom Fields File
MapView User Defined Module
UVLayout Document
RapidPLUS User Defined Object

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .udl file format, then write to us!