LCS File Type

- The quick facts

What are LCS files and how to open them

Are you having problems opening a LCS file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a LCS file?

Files that contain the .lcs file extension are most commonly associated with the ACT! software application.

ACT! is a CRM (customer relationship management) software application that allows profesionals to keep track of their clients and prospect information in a multi-user database. The LCS files that are used by the software contain ACT! history files.

The L0phtCrack password auditing and recovery software also uses the .lcs file suffix. Network administrators often use this software to ensure that the passwords being used on their system are secure enough to keep the network safe. The LCS files that are used by this software contain the data files that are referenced by the software application.

How to open LCS files

Important: Different programs may use files with the LCS file extension for different purposes, so unless you are sure which format your LCS file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested 5 different LCS openers which you will find listed below.

Last updated: October 1, 2021

Suggest another file format using extension LCS

While we know of one file format using the .LCS file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .LCS file.

Various apps that use files with this extension

These apps are known to open certain types of LCS files. Remember, different programs may use LCS files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Lotus vCard & vCalendar ViewerLotus vCard & vCalendar ViewerUser submitted
Lite-ConfiguratorLite-ConfiguratorUser submitted
LMG-CONTROLLMG-CONTROLUser submitted
EmacsEmacsUser submitted
Key ManagerKey ManagerUser submitted