How to Apply One-Step Auto Fixes in Photoshop Elements 11
Sometimes photos taken with a digital camera or scanned on a flatbed scanner can appear soft, meaning slightly out of focus. Sharpening gives the illusion of increased focus by increasing the contrast between pixels. Auto Sharpen attempts to improve the focus without going too far. What happens when you oversharpen? Your images go from soft to grainy and noisy.
Always make sharpening the last fix after you make all other fixes and enhancements. You don’t want to sharpen nasty flaws and make them even more noticeable than they already are.