Files with lck extension can be generally found as so called lock files. These files are generated whenever a program opens and file and this is "locked" via the temporary lock file to prevent another user to access or edit it at the same time.

Detailed description

Software that works with lck file extension

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LCK file extension - Lock file

What is lck file? How to open lck files?

File type specification:

Temporary file type icon Temporary file type

The lck file extension is often used for so called lock files, which are mainly used as database access control files, that are created whenever a database is opened in a program.

They purpose is to "lock" currently used database for other users who would like to alter that database as well.

This file type is used by many database systems. These files are not meant to be opened and created only temporary until the work in database is finished and the database is closed.

If you have a lock .lck file in your system with no database opened, it usually means that it was not closed properly (crash etc.).

Note: Some other programs, like Adobe Dreamweaver, Pegasus Mail, Autodesk Inventor etc., use locks as well, although not being database systems. Their purpose is usually the same, or closely related.

Help how to open LCK files:

You cannot open this file manually, the whole reason it exist is so you cannot open the file it 'locked'.

How to convert file with extension LCK:

Lock files are not meant to be converted to anything else.

List of recommended software applications associated to the .lck file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux etc.) and possible program actions
that can be done with the file
: like open lck file, edit lck file, convert lck file, view lck file, play lck file etc. (if exist software for corresponding action in's database).

  • Others lck file

Unspecified and all other actions for computer programs working with lck file - Lock file

Click on the software link(s) for more information. Suggested software applications use lck file type for internal purposes and/or also by different way than common edit or open lck file actions.

Apple macOS / Mac OS X:

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