Here’s a short, helpful piece you can use—whether for a blog, troubleshooting guide, or social media caption. Scratch Disks Are Full? Fix Photoshop on Mac in 5 Steps
Few things stop a creative workflow faster than Photoshop’s dreaded alert:
Need a quick win? Start with Step 2—changing the scratch disk to an external drive solves the issue instantly for most Mac users.
Always keep 20–50 GB free on your main drive, or set a dedicated external SSD as the primary scratch disk.