A number of office file cabinets come with a pre-installed lock to for added safety and security. Basically there are two kinds of file cabinet locks, which include the cam lock and the plunger lock.

A cam lock functions when a key rotates the lock. This is the more traditional style that most people are more accustomed with. Like the cam lock, a plunger lock utilizes a key as well but it can also be activated by simply sinking the body of the lock. There were countless basic locks available for filing cabinets, but for ultra confidential and critical files that need added security, more modern units are a must have.

There's now a large range of modern units available to be used with office filing cabinets. Some find combination locks much better in details of high security and convenience. There are products that, when used, engage unique locking features that will be deployed along with standard drawer catches on the side of the drawers in vertical files. These are called manipulation-proof combo locks. Then there are even more complex mix units, which present 3 levels of function, such as dual operation, presenting literally millions of potential mixes.