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.LCK File Extension

File TypeProgram Lock File

3.3 (32 Votes)
CategoryMisc Files


File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.

What is an LCK file?

Access control file used to "lock" a database or other file from being opened or changed by more than one user at a time; typically is open with the file is not in use and is locked when a user is working on the file; prevents accidentally overwriting changes and possible data corruption.

More Information

Some programs that use LCK files include Microsoft FrontPage, Corel Paradox, Autodesk Inventor, Pegasus Mail, and ACT! contact management software.

Since lock files are managed by their corresponding applications, they should not be opened manually.

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Programs that open LCK files
Referenced by various applications
Updated 3/12/2008

About LCK Files

Our goal is to help you understand what a file with a *.lck suffix is and how to open it.

The Program Lock file type, file format description, and Windows programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

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