There are a couple ways this can be handled. If you just have a folder of files you would like to upload to Nucleus One using the browse to folder or drag and drop would probably be your best option. If you are coming from another BPM or DMS system using our API will let you keep your existing index information and more. You can also contact our engineering team for information on having us convert your data from a legacy system if you don't want the hassle of dealing with hit.