Opening a LEF File

The LEF file type is primarily associated with Meet Manager.

LEFFile Extension LEF
File extension: LEF
File type:  XML data file

What is a LEF file

LEF files mostly belong to Meet Manager by Splash. The LEF file extension is primarily associated with Lenex by GeoLogix. LEF is an XML based data exchange file format which is often used for exchanging swimming data. These LEF files are categorized as data files.

  • Main Usage: The LEF files are record-keeping files intended to manage details of swimming events, details of communication between swimming clubs, event organizers and other related associations. The LEF format has become the international standard format for swimming data exchange and it is commonly used in European swimming competitions.
  • More information: The very first version of LEF file was used in 1999 in European countries and later general modifications were made in order to standardize the format. For instance, name tags were renamed into proper English and change in result list format.
  • Associations:
    • LiveNote Evidence Format File: The LEF file extension is also used for Thomson Reuters LiveNote evidence Format files which are used to exchange transcript. These files can also synchronize video files in it.

How can I open a LEF file?

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

Online LEF Text Viewer

Choose your .lef file to view

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How to extract texts from LEF files or capture a screenshot to PDF, JPG, DOCX, TXT, ...

If you want to extract texts from LEF file or capture a screenshot, you can use our free Online LEF File Viewer:
  1. Just click the "Choose your .lef file to view" button on this page.
  2. After your file is opened in browser,
  3. click "Save as..." in the menu.
  4. Then choose the file format (e.g. JPG, PDF, DOCX, TXT, ...) you want.
  5. Download the converted file.

LEF format details:

To view or edit LEF files you need to know the file format, because it determines how the data in this file is stored. The file format can be deduced from the file extension and the signature. However, different programs can use the same file extension. Furthermore, a file extension can be renamed incorrectly and double-clicking on it will then display an error when it is opened. When there is a problem with a file, the first step to solving it is to determine the file format. Below you will find our evaluation of the LEF files:

The LEF file extension is not widely used. Such a file predominantly uses a uniform format. The following file formats are most commonly found in LEF files:

The remaining 20% of all LEF files are files with no common format, often, for example, WRd. Often described as events or batch. If you want to find out what your LEF file contains, drag and drop it onto this page.

Technical Data for LEF File Extension

File classification:
Simple text file
Related files:
lxf, xmef, zip, def, ptz, tar, pdf, txt, xml, glb, sig, exe
Mime type:

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: LEFFile
EXEFile: %ProgramFiles%\LiveNote Demonstration\LiveNote\LiveNote.exe /shcase %1

ProgramID: LEFFile
EXEFile: %ProgramFiles%\LiveNote\LiveNote\LiveNote.exe /shcase


a lef XML data file is a special file format by Splash and should only be edited and saved with the appropriate software.

How to solve problems with LEF files

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