Opening LK Files

The LK file type is primarily associated with WinZip.

LK	File extension: LK
	File type:	compressed archive

What is an LK file?

LK files mostly belong to WinZip. The LK file extension is used in several specific contexts. In many cases, these files are zipped XML VAT listings used for official tax data in Belgium. In this instance the file is a ZIP archive that holds structured VAT information. You can extract it with common archive software like WinZip. See the official site at Belgium finance portal for further details.

• Belgian VAT Listing: A compressed file that contains an XML document with VAT data.
• Database Lock File: In other cases the LK file acts as a lock file in OpenInsight environments, helping to maintain data integrity in Pick MultiValue databases.
• Game Save File: Some LK files are used by Laika persistence to save game progress. More info may be found on the Laika website.

FilExt.com note: Always check the file’s origin to decide which tool to use for viewing or editing it.

How to open LK files

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

Online LK Text Viewer

Choose your .lk file to analyze

or drag and drop it here

Online File Viewer

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LK file format:

If you know the file format, you can also find out how to open or edit the file. A file format is determined by the file extension and signature, so JPEG images have the extension .jpg and the first bytes in the file are ÿØÿ. 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. If there are problems opening a file, you must first determine the file format used. Below is our analysis of the LK files:

The LK file extension is rarely used and includes various formats for various programs. The file formats most commonly found in LK files are:

• 40% of all LK files are based on the zip format, i.e. an LK file contains several compressed files. The number of files included is on average 1 and ranges from 1 to 1. File names inside are always VatList.xml. A little tip: If you rename the file extension to .zip and then double-click, you will see the included files and images. LK files can be up to 24 KB in size, but are often around 510 bytes - 4 KB. Several words can almost always be found in the files, e.g. VatList.xml. SCREEN_DATA_ENCODED_13022021_2020-06-01.LK is a typical file name. Such LK files store data about consignment, encoded, screen, data and vatlist.
• 30% of all LK files start with the magic bytes 1A 00 00 00 00 00 00 00, which are always the first bytes of this file format. These files contain neither text nor words, but only data. A typical file size is 32 KB.

All the rest of the LK files (30%) have different formats. You can get all the details of your LK file by dragging it onto this page or by clicking the button "Choose your .lk file to analyze" above.