Do you need to send a Photoshop file or another type of digital file to someone electronically, and it is bigger than your email provider can handle? Then you need to “FTP” it! FTP stands for File Transfer Protocol. Generally, when your file is larger than 10 MB, you will need to FTP it rather than email it. For those times when you need to send larger files over the internet, such as to a potential client (with a proper watermark, of course!) or a photo lab, you generally have 3 FTP choices: Use the client or lab’s user-friendly FTP