Windows cannot open LCK files?
When Windows cannot determine which application to use to open this file format type, the cause could be:
We strongly recommend that you run a Instant Scan for related errors.
Files with the LCK extension identify lock files created in the ACT! Application. LCK files limit access to databases while a particular process is taking place. LCK files permit use of a particular database while a process is being executed. LCK files may be utilized with the use of the appropriate software or application it relates to.LCK files are commonly used for updates to a system or program. The LCK format is utilized to avoid interceding scenarios. LCK files maintain the integrity of the data stored within, changes made to the data from various users or applications can be limited.
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