How can I upload files from my PC or Mac to myCloud? Maja Schreiner June 11, 2018 11:06 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? How does drag & drop work? Which file formats can I upload? Why am I receiving the error message "Upload failed"? Why does automatic backup not upload all the photos and videos from my mobile phone?