Alphanumeric characters are those that consist of both letters (A-Z, a-z) and numbers (0-9). When dealing with software like Capcut old version, including alphanumeric combinations in passwords or file names can enhance security and organization. For example, if you’re looking for an older version of CapCut, you might find it helpful to use a unique alphanumeric identifier to differentiate it from the latest version or other apps you have.