LOCK

Lock data
File type: System file, Temporary file
Files with lock file extension can be often found as various database "lock" files that prevent two users to access and change same database at the same time.
What is lock file?
File type category:
System file
Temporary file
Date updated: June 27, 2025
The lock file extension is generally related to files generated to determine whether a program or file is in use.
This method is frequently used in database management system to "lock" the databases. Also used in Red Hat Linux.
These files are generally not meant to be opened or altered and serve only for temporary purpose.
Same as lck file extension.
How to open lock file?
Typically, a *.lock file is not meant to be accessed by the user, but is generated for temporary purposes.
How to convert lock file?
Lock files generally are not meant to be converted to anything else.
Suggested software to open lock file:
Associated software actions with the lock file
Software applications that handle other tasks involving lock files:
Firefox (Microsoft Windows)
Adobe Photoshop Lightroom (Microsoft Windows)
Adobe Photoshop Lightroom for Mac (Apple macOS / Mac OS X)
Firefox for Mac (Apple macOS / Mac OS X)
Linux operating systems (Linux/Unix)
Firefox for Linux (Linux/Unix)
Microsoft Visual Studio (Multiplatform)