Understanding Logo Source Files- Featruing a typo .pds should read .psd
So you are getting a logo design, please insure that your designer provides you all the source files, you never know when you will need these, especially if your business is moving from web design to print collateral. During this video you will see a list of file extensions, please note it should read .psd not .pds, but after 15 takes I could not do it again :)