CHG_CANON wrote:
Put the files in a ZIP file first on your computer. Then, place the single ZIP file into Dropbox to share, works regardless of the file types.
Is your problem the total size of "100s of photos"? If the storage size is the issue, you might do some culling of the images rather than dumping everything onto your friend for editing.
1. Snail mail on SD card or usb stick. (duplicate, of course)
2. Dropbox or Dropbox using .zip file. I have sent RAW files and screen shots to Olympus for the purpose of solving some software bugs.