Is the file size limited? Maja Schreiner November 21, 2017 15:37 Updated Follow The maximum file size in “Photos” is 1 GB. The maximum file size in “Files” is 3 GB. Related articles How do I upload photos and videos from my mobile phone to myCloud? Which file formats can I upload? How does automatic backup work in the myCloud mobile app? Why am I receiving the error message "Upload failed"? Why does the "Upload in background" feature need to know my location on iOS?