Many Mac users are facing issues with huge 'System Data' taking up significant storage on their Macs, mainly seen on MacOS Sequoia.The problem ranges from 100GB to 500GB, causing frustration due to limited SSD storage on Macs.Various fixes include restarting the Mac, booting into Safe Mode, installing system updates, and clearing caches.Some users resort to backup, format, and reinstall macOS to address the bloated 'System Data' issue.Restarting or updating the system doesn't always solve the problem; Safe Mode booting sometimes helps temporarily.The 'System Data' size increase may be linked to large caches, temporary files, or iOS backups on the Mac.The problem is more prevalent in MacOS Sequoia, but users on earlier versions also face similar 'System Data' storage concerns.Despite access to the file system, it's challenging to identify and resolve the bloated 'System Data' folder problem on macOS.With over 9000 results on Apple Support forums, users struggle to find clear causes and solutions for the massive 'System Data' consumption.Some users have resorted to Apple support for help, with one reporting 68% of a 1TB drive being consumed by system files.