MacOS and System Data Taking Over 100GB of Storage - How to Resolve? Hi Everyone, I'm experiencing a significant storage issue on my MacBook Air. The System Data and macOS is taking up over 100GB of my storage. I’ve tried several common solutions, but nothing seems to help. Here are the details: Steps I’ve Taken So Far: Checked Storage Usage:
Try Vivaldi v6.9 which is the last version supported on macOS 10.15 Catalina (unfortunately I cannot find the actual stable download, but these snapshots are usually Ok these days):