Among the many pieces of data that each and every one of us comes into contact with on a daily basis, there are quite a few that are not meant to be seen or known by just anyone.

Encrypting files and folders is a simple way to restrict access to data - whether it is access data or other secrets, project accounting documents to be stored in the cloud, on a USB stick or external hard drive, or the need to adequately protect personal data collected in one's own research from unauthorised access.
There are tools with which this encryption is suitable for everyday use and much easier to accomplish than is often assumed.