What is LCK? What Opens a LCK? File Format List from WhatIs.com

File Extension

LCK File Format

Lockfile (Paradox)

LCK is a file extension for a lockfile format used by Paradox, a relational database management system. Paradox was originally developed for Microsoft DOS by Ansa Software and was purchased by Borland, who created the Windows version.


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This was last updated in August 2010
Editorial Director Margaret Rouse

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