Skip to content

Handling “Storage Almost Full” Warnings on Mac

Issue Description 

macOS repeatedly warns that storage is nearly full, impacting performance. 

Common Causes 

  • System Data growth 
  • Old backups 
  • Cache accumulation 

Step-by-Step Solution 

Step 1: Review Storage Usage 

  • System Settings → Storage 

 

Step 2: Remove Large Files 

  • Use Recommendations 
  • Delete unused media and installers 

 

Step 3: Reduce System Data 

  • Remove old local Time Machine snapshots 
  • Clear application caches 

 

Step 4: Restart Mac 

  • Confirm storage freed 

Explore Further 

  • Move files to external storage 

Prevention & Best Practices 

Monitor storage monthly.