Checkbook for Flash Drives has all the features of the desktop version of Checkbook, but runs completely from your flash drive. You can run this portable version from any computer and keep your checkbook transactions with you at all times, whether you are at home or at work. So if you use more than one computer, this is the software you need. You enter transactions and when your monthly statement arrives, you can balance your checkbook with ease. Without the learning curve of a complicated accounting program, you get the job done. In addition to many other features, Checkbook for Flash Drives has the option of password protection.