Is the file size limited? Maja Schreiner August 15, 2018 13:02 Updated Follow The maximum file size in “Photos” is 1 GB. The maximum file size in “Files” is 3 GB. Related articles Which file formats can I upload? Why am I receiving the error message "Upload failed"? How does automatic backup work in the myCloud mobile app? How can I upload photos and videos from my PC or Mac to myCloud? Where can I see how much disk space is occupied on myCloud and how much is still available?