QuickLookTypes MenuLabel Image Extension icns treatAsText MenuLabel Sound (m4a) Extension m4a treatAsText MenuLabel Sound (mp3) Extension mp3 treatAsText MenuLabel Sound (linear) Extension wav treatAsText MenuLabel Movie (mov) Extension mov treatAsText MenuLabel PDF Extension pdf treatAsText MenuLabel HTML Extension html treatAsText MenuLabel Word Document Extension doc treatAsText MenuLabel Word Document (xml) Extension docx treatAsText MenuLabel RTF Extension rtf treatAsText