Can't move objects freely

Hi, I’m new to Blender. I have a problem (Maybe). I can’t move my objects freely as it move every tile or whatever it is. but when i create new file, the object move freely. I have Tapped some buttons on keyboard but don’t know which one. Anyone can tell me the key or button? Thanks! :slight_smile:

Check you have not enabled snappining. Look at magnet icon on the 3d view header