Electronic signature master provides two options, users can choose to save the signature file on local disk or upload it to the cloud for storage according to their own needs. Saving on the local disk can ensure the access speed and privacy of the signed file, and users can choose the appropriate folder or directory to save. Uploading to the cloud storage can realize the convenience of accessing * * * and enjoying the signed file anytime and anywhere, and also avoid the problem of insufficient local disk space.