If you need to make changes to your printing file before you approve your proof, no problem! You can either email your files to your client service rep or send it through the www.wetransfer.com website. It is a free service that is easy to use.Your client service rep should contact you within one business day regarding your new files. If you do not hear from them within that time period, please feel free to call 1-800-338-4329 or email help@dazzleprinting.com.