How can I upload files from my PC or Mac to myCloud? Maja Schreiner November 18, 2017 13:19 Updated Follow On myCloud.ch, go to the "Files" category. Click on the cloud at the top right. Click on "Add files". Related articles How can I upload photos and videos from my PC or Mac to myCloud? Which file formats can I upload? How does myCloud Photo Backup work on Windows and Mac? Why am I receiving the error message "Upload failed"? How does drag & drop work?